Configuration Components
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KEY ELEMENTS OF SUPPLY CHAIN STRATEGY
A supply chain strategy involves many interlocking activities and decisions, large and small. According
to Michael Porter, strategy guru and author of Competitive Advantage, successful business strategy relies
on the concept of “fit”—that is, a group of activities that support a chosen competitive strategy.
Although any single activity can be copied, the activities taken together form a system that is virtually
impossible to duplicate.9
Porter’s concept of fitness holds equally true for supply chain strategy. Five elements of your
business—and the choices you make regarding these elements—are fundamental:
Customer service. What are your objectives in terms of delivery speed, accuracy, and
flexibility?
Sales channels. How will your customers order and receive your goods and services?
Value system. Which supply chain activities will be performed by your organization and which
by your partners?
Operating model. How will you organize the planning, ordering, production, and delivery
processes to provide customer service while still meeting your working capital and cost
objectives?
Asset footprint. Where will you locate your supply chain resources, and what is their scope of
action?
Companies often make decisions about each of these elements in isolation, without considering the
others. It’s possible, for example, to develop a manufacturing footprint that reduces costs, only to fall
short of required customer-service levels. To get the full strategic benefit a supply chain can offer,
however, it’s critical to treat each element as part of an integrated whole (Figure 1.2).
Figure 1.2 Elements of Supply Chain Strategy
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CUSTOMER SERVICE The first step in developing a supply chain strategy is to define customer service objectives. Offering
various levels of delivery speed, accuracy, and flexibility for different types of customers can help
distinguish the overall customer experience. Should, for example, deliveries reach all customers in the
same amount of time, or should customers who are more valuable receive deliveries faster? Should the
ordering process be the same for all customers? Answers to questions like these will be dictated by your
company’s business strategy and target audience—that is, whether you are addressing B2C or B2B
segments.
Business to Consumer
In the B2C world, off-the-shelf product availability is often the key service criterion. Customers are
willing to wait for hot products from a leading brand—but only up to a point. Retailer Nordstrom
introduced an innovation in online retailing when it made the inventory of its 115 brick-and-mortar
stores visible to consumers shopping on its online store. Previously, customers saw only what was
available in the web warehouse and sometimes found that the product they wanted was not available.
The retailer’s change in practice led to higher product availability, increased sales, and lower
inventories.10 Approaches such as this one help Nordstrom maintain its reputation for outstanding
customer service and overall customer experience.
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Business to Business
In the B2B world, customer service is often synonymous with meeting committed delivery dates,
because the customer uses the product or service in revenue-generating activities. But lead-time
performance can also be critical.
Consider, for example, a supplier of mining equipment that sells machinery to two very different
customer types: companies that own their mines, and contractors that conduct mine development and
other activities for those mining companies. Because mining companies have capital investment plans
and a fleet to maintain, they typically order equipment far in advance of when they need it, on a
predictable timeline. So mining-equipment suppliers typically have six months or more to deliver
equipment to mining companies. Contractors, by contrast, typically operate on a very compressed
calendar: they wait until they have a contract in hand from a mining company before placing equipment
orders, and they need the machines delivered in three months or less.
SALES CHANNELS
Companies have multiple options for getting products and services to buyers. They can use indirect
channels—distributors or retailers—or they can sell directly to customers via the Internet or a sales
force. The market segments and geographies being targeted will drive these decisions. Since profit
margins vary depending on which channels are used, you have to decide on the optimal channel mix,
and who gets the goods in times of product shortages or high demand.
Consider the multibillion-dollar bottled-water industry. The industry uses three different
distribution channels to serve its three major consumer segments. Traditional retail distributors serve
retail customers, vending machines serve the individual consumer market, and service agents provide
on-site water units for home and office users. Each segment requires different supply chain processes,
assets, suppliers, and performance metrics.
If you are a new player in the bottled-water industry, should you sell your product through
distributors that already have relationships with key retailers or distribute directly to those retailers? If
you choose the distributor channel, should you integrate your order-management and inventory-
management systems with the distributors’ systems? If so, to what extent, and who should pay for it?
Should you maintain dedicated inventory for all distributors or only those distributors that you consider
to be strategic partners? These decisions will drive your company’s asset and cost performance and so
must be a part of your overall channel strategy—along with decisions on pricing, vendor-financing
policies, promotions, and so on.
VALUE SYSTEM
An effective supply chain strategy requires a solid understanding of the company’s value system, which
according to Porter, encompasses the value-adding activities of the enterprise as well as those of
suppliers, customers, suppliers’ suppliers, and customers’ customers.11 This understanding will help
determine which supply chain activities will be performed by the company in question and which by its
partners.
In this context, companies must consider two types of activities: those related to decision making
and those related to execution. Often companies choose to outsource execution-related activities while
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retaining control over decision making. For example, many consumer packaged goods (CPG) companies
that produce a high volume of goods in their own plants outsource the last stage of production to
contract manufacturers (CMs). The CPG companies maintain responsibility for purchasing raw
materials, while the CMs have full responsibility for quality and lead time. That way, the CPG
companies use their economies of scale to get lower materials prices while also benefiting from the
CMs’ lower manufacturing costs.
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Benefits and Risks of Outsourcing
Generally speaking, companies outsource supply chain activities to gain access to other companies’
scale, scope, technology expertise, or resources:
Scale. Third-party providers can often offer services such as manufacturing or logistics with
less expense because they have a large customer base, which keeps utilization rates high and
unit costs low. External partners can also help companies scale up quickly without having to
invest in new capacity.
Scope. In cases where a company wants to expand into new markets or geographical areas,
partners can provide access to operations in new locations that would not be economical for the
company to replicate internally at current business volumes.
Technology expertise. Partners may have expertise in a product or process technology that
would require a sizable capital investment to develop internally.
Resources. External partners in the value chain can offer rapid access to materials, talent, or
financing.
Outsourcing also poses significant risks. A supply chain that’s been lengthened by the addition of
numerous external partners can result in longer lead times and higher working capital. Risk is also an
issue if production depends on a single supplier for a critical component and that supplier suddenly halts
production for financial or other reasons. Therefore, value systems need processes and information
systems that create transparency and enable proactive decision making, so that companies can adapt
quickly to unanticipated changes in demand or supply.12
Making the Decision to Outsource
Executives often treat outsourcing as a decision of “core versus noncore,” arguing that core
competencies, as things a company is good at, should be kept in-house, whereas noncore competencies
should be outsourced. That reasoning, however, is overly simplistic. An activity or process that a
company excels at isn’t necessarily a core competency and, conversely, areas of less-than-optimal
performance may in fact be core to the company’s success. Most important is maintaining control of
activities that are critical to competitive differentiation, business growth, customer experience, or
superior offerings.
Vertical integration can be a core means to achieving that control. Consider Manufacture des
Montres Rolex SA, known around the world for its Rolex brand. The company produces not only the
components for its watches but also the machines, tools, and supplies needed to manufacture those
components.13 Maintaining control of production is integral to ensuring the quality that sets Rolex apart
as a premium watchmaker.
OPERATING MODELS Taken together, the decisions about how a company produces goods and services constitute its operating
model. These decisions affect more than manufacturing. They shape how planning, order management,
procurement, and physical delivery are handled as well.
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There are four types of operating models (Table 1.2):
Make to stock. This is the most broadly used approach for standardized products that sell in
high volume. A plant produces goods in advance of receiving customer orders; finished
products are stored to await a customer order. The larger production batches keep production
costs down, and the readily available inventory means customer demand can be met quickly.
Make to order. This is the preferred model for customized products or products that are in
infrequent demand. Companies produce the service or product only when they have a customer
order in hand. This approach keeps inventory levels low while allowing for a wide range of
product options.
Configure to order. This is a hybrid model in which a product is partially completed, to a
generic level, and then finished when an order is received. This is the preferred model when
there are many variations of the end product and it’s important to have a shorter customer lead
time than is possible with the make-to-order model. A variant of the configure-to-order model
is assemble to order; companies using an assemble-to-order model produce component parts in
response to sales forecasts and then finalize assembly upon receipt of a customer order.
Engineer to order. This model shares many of the characteristics of the make-to-order model. It
is used in industries that create complex products and services with specifications that are
unique to a particular customer. In the final step of the customer’s ordering process, the
manufacturer’s engineering function defines the specifications and develops a list of needed
materials unique to that customer’s order.
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Table 1.2 Types of Operating Models
Operating model When to choose this model Benefits
Make to stock • Standardized offerings selling in high volume • Low production costs
• Meeting customer demands quickly
Make to order • Customized offerings
• Offerings with infrequent demand
• Low inventory levels
• Wide range of product options
• Simplified planning
Configure to order • Offerings requiring many variations • Customization
• Reduced inventory
• Shorter delivery times
Engineer to order • Complex offerings that meet unique customer
needs
• Responding to specific customer
requirements
The operating model can provide a key source of performance advantage. Consider a consumer
software company that made to stock, shipping products directly to inventory sites in various countries.
Because of the small size of the packaged product and the need for many language variants, items were
customized for a particular market very early in the production process. This approach, however, created
unnecessary inventory and obsolescence as product definitions evolved.
To improve service levels while reducing inventory, the company shifted from a make-to-stock
model to a configure-to-order model. Under the new model, generic products were shipped from the
plant floor to a central distribution center. As orders came in from each market, products were
customized and shipped accordingly. A configure-to-order model posed some important advantages.
Under the old operating model, multiple stock locations required separate forecasting and inventory-
management functions for each site, raising the likelihood that supply and demand would be out of sync.
In a centralized distribution center, by contrast, it became much easier to ensure that the right amount of
inventory was on hand to meet demand. At the same time, the new approach simplified supply chain
planning, allowing focus on a relatively small number of different generic products instead of hundreds
of language-based variants. Not surprisingly, product availability shot up and inventory declined.
It may be advantageous to deploy different operating models for different products or market
segments. The automotive industry offers a good example. While most automakers have long preferred
the make-to-stock model, manufacturers of high-end vehicles have pursued make-to-order and
configure-to-order strategies.
But make-to-order is challenging: given the millions of potential end configurations, it’s difficult to
offer passenger cars on a make-to-order basis while maintaining a competitive lead time. Unless
suppliers can be fully integrated into the make-to-order supply chain, automakers run unnecessarily high
inventory risks, meaning they could be stuck with obsolete or unsellable inventory. In addition, changing
the production process to allow each car to match a unique set of characteristics is a very costly
undertaking.
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Not surprisingly, only 2 percent of Lexus passenger cars sold in 2011 in the United States were
made to order. The rest were made to stock and sold from dealer lots. The percentage of made-to-order
vehicles in Europe was greater. In the German domestic market, for instance, about 60 percent of the
high-end cars made by BMW, Audi, Porsche, and Mercedes were made to order. In Japan,
approximately 50 percent of Nissan sales were configured to order.14
These numbers tell only part of the story. A significant part of customization now takes place at
retail car dealerships. This customization is basically a make-to-order or configure-to-order activity
based on the vehicle provided by the manufacturer. In North America, dealers offer two types of
customization activities. One type involves making major changes to the vehicle, such as modifying the
engine, raising the suspension, or repainting. The other type of customization doesn’t touch the vehicle
itself; it ranges from nonstandard tires and rims to frills like mud flaps.
As is the case with the other elements that make up a company’s supply chain strategy, the
operating model needs to be responsive to changes in demand throughout the product life cycle, from
launch to exit. During this progression, a company may start with a make-to-stock model to ensure
maximum product availability; it may then move to make-to-order to reduce inventory risk while still
ensuring availability at a competitive price (Figure 1.3).
Figure 1.3 Change in Operating Models over Product Life Cycle
New technologies are altering production processes, and operating models along with them. The
most familiar examples are digital print-to-order and digital distribution, which have revolutionized
publishing. And in industries ranging from healthcare to industrial products, new 3D printing
technology—also known as “additive manufacturing”—allows single-unit production of very complex
designs, such as artificial limbs. This technology, in which the printer creates an object by layering
different materials such as plastics or metals on top of each other, is ideally suited for make-to-order
production strategies. Eventually, it may be used for many product categories that are currently made to
stock.15
ASSET FOOTPRINT The final element to be considered in defining a supply chain strategy is the asset footprint. This
includes not only hard assets (like plants, warehouses, equipment, order desks, and service centers) but
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also soft assets (like the people, processes, information systems, and access to capital). The location,
size, and purpose of these assets have a major impact on supply chain performance. The asset footprint
may differ for production, sourcing, planning, order management, and warehousing and distribution.
Production Assets
For production assets, most companies choose one of three network models, taking into account factors
like business size, customer service requirements, tax advantages, existence of a supplier base, local
content rules, and labor costs. The network models are:
Global model. In this model, production of a given product line takes place in one location for
the entire global market. This model is suited for companies that wish to control unit production
costs for very capital intensive products or that need access to highly specialized production
skills.
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Regional model. Production takes place primarily in the region where the products are sold. In
some cases, however, the production center in the given region is dedicated to one type of
product, and plants from other regions produce other types of products. Companies often opt for
the regional model when products need to meet specific regional requirements, when delivery
times can’t be achieved by the global model, or when total costs (duties, transportation, and so
on) make it preferable to produce goods close to the customer.
Country model. Production takes place primarily in the country where the market is located.
This is the model of choice for goods that are prohibitively expensive to transport, such as
newsprint. Other factors include duties and tariffs, and market access that is conditional on
in-country production.
Many production-asset-footprint decisions are driven by the product life cycle. In rapidly evolving
industries such as consumer electronics, companies may start with a global model while ramping up
production of a new product to test the manufacturing process, and then transition to a regional model to
improve customer service. At the end of the product life cycle, the global model may once again be a
better choice as a way to fulfill demand with the lowest product cost and inventory investment.
Planning and Sourcing Assets
It’s important to organize planning and sourcing assets in a way that is consistent with the decisions
made on production assets. Just because you’re using regional and country production-asset models
doesn’t mean it’s necessary to use regional and country planning and sourcing. The key is locating these
assets in places that will ensure effective operational performance.
Tax optimization is an additional consideration for some companies when it comes to locating
sourcing and planning assets. Locating resources that make decisions on supply levels and purchasing
volumes in a lower-tax jurisdiction can have a significant impact on the effective tax rate. The more that
decision making and decision control are centralized, the greater the potential tax savings. For
companies that have used a decentralized decision-making model for sourcing or planning, centralizing
such decision making in a tax-efficient location can be a major undertaking. It’s important that nontax
benefits such as customer service and working-capital performance are sufficient to justify the move.
MULTIPLE SUPPLY CHAIN CONFIGURATIONS For some companies, one supply chain with a single set of physical assets, processes, and information
systems may be insufficient if a company has customers with widely varying needs. In such situations,
multiple supply chains are advantageous because they make it easier to meet the specific needs of each
customer without compromising the needs of the rest.
One example is Michelin. The company’s passenger-car tire business serves two market categories:
automakers and aftermarket customers such as distributors and retailers that sell tires to individual
consumers. The same Michelin factories produce tires for both automakers and the aftermarket, an
approach that allows the company to use a single production-planning process and maximize capacity
utilization.
The paths that automaker and aftermarket tires take after production, however, are quite different
(Figure 1.4). For automakers, which depend on precisely timed deliveries to keep production on
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