Theory predicts that optimal effective corporation tax rates will be negatively related to industry specific sunk costs, and hence industry concentration. Governments should tax industries with monopolistic power softly. Evidence suggests that this Schumpeterian (1942) principle of corporate...

We study the dynamics of equilibrium membership of an international environmental agreement aimed at increasing the stock of a global public good such as climate change mitigation.In contrast with previous studies, we assume partial cooperation among signatories, and showthat the coalition size...