The disease burden in low-income countries is extremely high. Malaria, respiratory infections, diarrhea, AIDS, and other diseases are estimated to kill more than 15 million people each year, most of them children. Yet the great majority of these diseases can be prevented or treated. This article...

This article discusses the two leading views of history and political institutions. For some scholars, institutions are mainly products of historical logic, whereas for others, accidents, leaders, and decisions have a significant impact. We argue that although there is clear evidence that...

Randomized experiments have become a popular tool in development economics research and have been the subject of a number of criticisms. This paper reviews the recent literature and discusses the strengths and limitations of this approach in theory and in practice. We argue that the main virtue...