This paper examines the relationship between physical activity and individual productivity among agricultural workers paid on a piece-rate basis. In the context studied, physical activity has a clear correspondence with worker effort. Agricultural workers' physical activity is directly observed...

Does the sex composition of existing children in a family affect fertility behavior? An unusually large data set, covering 64 countries and some 5 million births, is used to show that fertility behavior responds to the presence--or absence--of sons in many regions of the developing world. The...

The social and economic consequences of poor mental health in the developing world are presumed to be significant, yet remain underresearched. This study uses data from nationally representative surveys in Bosnia and Herzegovina, Indonesia, and Mexico and from special surveys in India and Tonga...

Analyzing the distributional impacts of economic crises is an ever more pressing need. If policymakers are to intervene to help those most adversely affected, they need to identify those who have been hurt most and estimate the magnitude of the harm they have suffered. They must also respond in...