About 80% of the world's children live in developing countries. Their well-being as adults depends heavily on the education they receive. School enrollment rates have increased dramatically in developing counties since 1960, but many children still leave school at a young age and often learn...

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...

The Millennium Development Goals call for reducing by half the proportion of people without sustainable access to safe drinking water. This goal was adopted in large part because clean water was seen as critical to fighting diarrheal disease, which kills 2 million children annually. There is...