Large international differences in the price of labor can be sustained by differences between workers, or by natural and policy barriers to worker mobility. We use migrant selection theory and evidence to place lower bounds on the ad valorem equivalent of labor mobility barriers to the United...

This article uses a cross-national data set on the performance of government investment projects financed by the World Bank to examine the link between government efficacy and governance. It demonstrates a strong empirical link between civil liberties and the performance of government projects....