The history of foreign development assistance is one of movement away from addressing immediate needs to a focus on the underlying causes of poverty. A recent manifestation is the move towards quot;sustainability,quot; which stresses community mobilization, education, and cost-recovery. This...

Improved health in low-income countries could considerably improve wellbeing and possibly promote economic growth. The last decade has seen a surge in field experiments designed to understand the barriers that households and governments face in investing in health and how these barriers can be...