On the Freakonomics blog, Dmitri Leybman tells us about the three main ways that the President's political party can have an impact on the economy.
This tendency of Republican presidents to preside over growth that occurs so close to re-election has been cited by Bartels as the main reason why Republican presidents have been so successful in achieving two-term presidencies in the post-World War II era. Voters, Bartels believes, are economic myopists, paying attention only to the most recent economic outcomes and not the overall outcomes experienced under a president's rule.