We investigate whether political jurisdictions form in response to the trade-off between economies of scale and the costs of a heterogeneous population. We consider heterogeneity in income, race, ethnicity, and religion, and we test the model using American school districts, school attendance...

Questions of the effectiveness of economic policy reform are inseparable from the political economy factors responsible for distortionary policies in the first place. Distortionary policies are more likely to be adopted where politicians face fewer constraints. Hence reform should have modest...

European countries are much more generous to the poor relative to the US level of generosity. Economic models suggest that redistribution is a function of the variance and skewness of the pre-tax income distribution, the volatility of income (perhaps because of trade shocks), the social costs of...

This paper provides evidence that the form of agriculture traditionally practiced—intensive plough agriculture versus shifting hoe agriculture—affected historic norms and preferences about fertility, and that these norms persist, affecting observed fertility around the world today.

A fundamental aspect of institutional design is how much society chooses to delegate unchecked power to its leaders. If, once elected, a leader cannot be restrained, society runs the risk of a tyranny of the majority, if not the tyranny of a dictator. If a leader faces too many ex post checks...

This paper examines the process of European political integration. We start with a political-economy model of monetary policy, illustrating a general principle: economic integration requires setting up European institutions endowed with the authority to enact Europe-wide policies. On the other...

In this paper, we present our view of the recent evolution of European integration. We first briefly describe the main features of the institution and decision making process in the European Union, with particular attention to the debate between federalists and super nationalists. We then...