This paper critically reviews the existing research on the cost-effective prevention and treatment of diarrheal diseases, and identifies research priorities in this area aimed at finding ways to reduce the diarrheal disease burden. In contrast to the empirical knowledge base that exists for...

Behavioral development economics applies theories and ideas from psychology and behavioral economics to the study of questions in development economics. We begin by examining a central puzzle in development economics: the existence of high rates of return without correspondingly rapid growth...

We summarize evidence from the growing body of randomized evaluations on health in developing countries from the perspective of the human capital investment model, cost-effectiveness analysis, and behavioral economics. Many cost-effective methods of infectious disease prevention have limited...

We argue that in pharmaceutical markets, variation in the arrival time of consumer heterogeneity creates differences between a producer's ability to extract consumer surplus with preventives and treatments, potentially distorting R&D decisions. If consumers vary only in disease risk, revenue...