Africa's interior-to-coast roads are well suited to export natural resources, but not to support regional trade. Are they the optimal response to geography and comparative advantage, or the result of suboptimal political distortions? We investigate the political determinants of road paving in...

Africa's interior-to-coast roads are well suited to export natural resources, but not to support regional trade. Are they the optimal response to geography and comparative advantage, or the result of suboptimal political distortions? We investigate the political determinants of road paving in...

In "The Myth of the Rational Voter" Brian Caplan shows that voters entertain systematically biased beliefs on a number of essential issues of economic policy and concludes that this leads democracies to choose bad policies. We introduce the psychological concept of mental models to address...

As a result of the prevailing governance structure, economic policy in democracies usually suffers from specific deficiencies. Among these are the predominance of distributive over efficiency objectives, the neglect of long-run effects, and the lack of or biased use of expert knowledge in the...