Tax Havens and Offshore Taxation: Analyzing the role of
tax havens in corporate tax planning and evaluating their
impact on tax revenues.
Introduction
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
Tax havens have come under intense scrutiny in recent years for their
alleged role in enabling corporate tax avoidance. This paper aims to analyze
the role played by tax havens in facilitating corporate tax planning strategies
and evaluate their impact on domestic tax revenues. It will begin by defining
what constitutes a tax haven and examining some of the common tax
planning techniques used by multinational corporations through tax havens.
Following this, it will assess the scale of offshore activities and analyze
empirical evidence regarding the revenue losses incurred by governments.
The paper will then discuss some of the policy responses adopted
internationally to curb aggressive tax planning and the mixed success of
these measures. Finally, it will conclude by considering some of the broader
issues raised concerning corporate responsibility and financial secrecy.
Defining Tax Havens
Before analyzing their role, it is important to define what constitutes a ‘tax
haven’. While there is no universally agreed definition, tax havens typically
share some key characteristics. They impose either no or only nominal taxes
and offer themselves as places of domicile for foreign enterprises seeking to
cut their tax liabilities elsewhere (Palan, Murphy & Chavagneux, 2010).
Secrecy is another defining feature - they preserve the anonymity of
individuals and the confidentiality of corporate structures (Sharman, 2006).
In addition to low or zero taxes, they often lack effective exchange of tax
information with other countries and have a business-friendly regulatory
environment conducive to carrying out international business (Palan et al.,
2010).
Key tax planning techniques
Some of the common techniques used by multinationals through tax havens
include:
Transfer mispricing - This involves manipulating transfer prices on cross-
border transactions between group entities to shift profits from high to
low/no tax jurisdictions (Karma & Ruiz, 2013). For example, underpricing
imports from subsidiaries in tax havens to incur artificial expenses.
Thin capitalization - Loading subsidiaries in high tax countries with excessive
interest-bearing debt from low-tax affiliates to claim higher interest
deductions and strip out profits (Johannesen, 2014).
Intangible property transfers - Shifting ownership of intellectual property
rights like patents and trademarks to affiliates in tax havens to claim royalty
payments from high tax territories and book profits offshore (Durst, 2015).
Hybrid entity/instrument mismatches - Using differences in tax treatment of
entities/financial instruments across borders to generate deductions without
equivalent taxation (OECD, 2015). For example, claiming a dividend as tax
deductible expense in one country but non-taxable income in another.
BEPS tools like these enable multinationals to legally minimize the overall
taxable profits reported and taxes paid globally through strategic allocation
of functions, assets and risks across group affiliates in varied jurisdictions.
However, critics argue these undermine the tax sovereignty of nations by
artificially eroding their revenue bases (TJN, 2018).
Scale of offshore activities
The magnitude of corporate profits booked and taxes avoided through tax
havens is difficult to estimate precisely due to lack of comprehensive data.
However, some studies provide useful indicators:
- A UBS/PWC report (2013) estimated global offshore wealth held in tax
havens at $7.6 trillion for high net worth individuals alone. Corporate profits
and funds probably far exceed this.
- Academic research by Zucman (2014) estimated that around 8% of the
entire world’s corporate wealth was located tax havens in 2015, equal to
nearly $1 trillion in profits diverted artificially.
- Data from the Bureau of Economic Analysis showed US multinationals
reported over $2.6 trillion in accumulated offshore profits by end of 2014
booked through tax haven subsidiaries.
- Analysis of country by country reports by CBCR NGOs (2018) found over
40% of recorded foreign profits of large EU companies were located in just
six tax havens like Ireland, Luxembourg, Netherlands, Singapore, Switzerland
etc. despite having just 3% of real economic activity.
- Figures collated by Tax Justice Network estimated global tax losses from
corporate profit shifting to tax havens exceed $500 billion annually based on
2015-16 data, representing over 10% of global corporate tax revenues.
While estimates vary, the sizable scale of reported offshore activities
suggests tax planning has heavily impacted government tax bases in high
tax countries. The concentration of multinational profits in select low tax
locations despite negligible employment or sales supports claims of
substantial profit shifting.
Empirical evidence on revenue impacts
Several empirical studies have attempted to quantify the tax revenue losses
from profit shifting. Key findings include:
- Studies by the IMF (2015) estimated developed countries lose 4-10% of
corporate tax revenues annually due to BEPS practices. For the US, annual
revenue loss estimates range from $77 billion (Clausing, 2016) to over $100
billion (Toder & Banerjee, 2014).
- Analysis of tax data for EU countries by the European Commission (2012)
found a 1% decline in a country's statutory tax rate leads to a 4.3% increase
in reported profits of foreign multinationals located there, indicating strategic
profit reallocation.
- Heckemeyer & Overesch (2013) analyzed profitability differentials across
country affiliates of German multinationals and estimated an average semi-
elasticity of reported profits with respect to tax rates of -3.7, signifying
significant profit shifting.
- Kim et al. (2012) studied the impact of tax havens and found a 10%
increase in the use of tax havens reduced the effective tax rates of US
multinationals by 0.8 percentage points and tax burdens by 4.4%.
While estimates vary, the weight of empirical evidence strongly corroborates
the hypothesis that tax planning activities involving tax havens substantially
erode corporate tax bases, with developed nations losing billions annually in
tax revenues that could otherwise fund public services. Aggressive tax
avoidance severely undermines the integrity and fairness of international tax
systems.
Policy Responses
In response to concerns over base erosion and profit shifting, governments
and international bodies have adopted several measures to curb tax
planning through tax havens:
Controlled Foreign Corporation rules - These tax current income of CFCs to
the parent nations to prevent deferral of taxation on passive income shifted
to low tax units (OECD, 2015). The US and others have strengthened CFC
regimes.
Thin capitalization rules - Maximum debt to equity ratios restrict interest
deductions claimed on related party debt to foil earnings stripping through
excessive leveraging in tax havens (OECD, 2015). Many nations have
bolstered such rules.
Anti-treaty shopping measures - Measures like substance requirements and
principal purpose tests target abuse of bilateral tax treaties to route funds
through conduit entities for tax benefits (OECD, 2017). The EU ATAD has
implemented such rules.
Counter harmful tax practices - Measures like ‘Blacklists’ of uncooperative
jurisdictions and mandatory spontaneous exchange of tax rulings aim to
deter harmful preferential regimes and non-transparent tax practices (OECD,
2015). Blacklists saw some successes.
Country by Country Reporting - Regulations requiring large MNEs to provide
tax jurisdiction-wise financial details aim to improve transparency, analysis
and targeted audits of international tax arrangements (OECD, 2015). This
proved useful to tax authorities.
The introduction of a global minimum corporate tax rate is also being
considered to address rate competition and ensure profits face a minimum
effective tax, though negotiations have proved difficult.
While such policy measures have curbed some aggressive tax planning, they
have met with mixed success overall. Tax havens were initially reluctant to
fully cooperate due to sovereignty concerns and profit dilution risks.
Loopholes also enable shifting to new planning techniques like contract
manufacturing and commissionaire arrangements instead of affiliates. Full
abolition of harmful regimes and cooperation remains an ongoing challenge.
Conclusion: Broader Issues
Overall, while corporate tax planning using tax havens is often technically
legal, it enables large scale avoidance which seriously undermines the
fairness and integrity of international tax systems. The artificial erosion of
tax bases has significant negative fiscal and distributional implications for
governments to fund public goods.
There are also broader questions of corporate responsibility and
transparency raised by these practices. Aggressive tax avoidance through
complex offshore structures appears at odds with businesses' social license
to operate in countries providing infrastructure and markets. Secrecy
jurisdictions also raise governance issues by enabling illicit financial flows
including money laundering and corruption.
While taxation remains a sovereign matter, globalization and mobile capital
highlights the need for coordinated, long term solutions to curb races to the
bottom. Options worth considering include a unitary taxation system treating
MNEs as single entities; formulation of detailed guidelines on substance; and
strengthening transparency on beneficial ownership and country-by-country
reporting. Multilateral action is preferable to unilateral measures with
unintended consequences.
Greater cooperation and willing of all parties will be critical to develop fair,
stable and sustainable international tax systems for the future in a way that
balances the interests of capital, governments and wider society. If left
unchecked however, the deleterious impacts of offshore profit shifting
through tax havens could seriously undermine the integrity and viability of
national corporate tax regimes and public finances. More progressive
solutions will need to be found.
