Empirical tests of the theories on the relationship between political competition and economic performance generate a puzzle: data tend to support the theory at the lower levels of government, but not in panels of countries. We argue that the larger set of policy instruments reduces the tax...

This article proposes refined econometric estimates of effective marginal income tax rates for 23 OECD countries from 1951 to 1990. Panel regressions find such measures negatively correlated with economic growth. These results are consistent with endogenous growth theories and opposite to those...