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...

This report examines how, and under which circumstances different forms of financing are suitable for results- or transfer-based mechanisms for reducing emissions from deforestation and forest degradation as well as enhancing removals in forests (REDD+) in the context of different countries and...

Entrepreneurs, especially in developing economies, rely on peers for advice and managerial knowledge. While a growing body of work shows that introducing entrepreneurs to new peers outside their immediate neighborhood and social circles improves performance, these results are seemingly at odds...