Parliamentary System and Presidential System in Western Europe: France and Germany

This paper pertains to countries in Western Europe. Compare 2 countries France and Germany. or pick two countries in Western Europe that have one presidential and one parliamentary system and compare:
- Voter Participation
-Corruption
-Economic Welfare
-or some economic indicator.

Also a theoretical explanation about one system leading to more/less voter participation, corruption or economic welfare.

Make arguments supported by evidence (example data on voter turnout)