We investigate the mechanisms underlying health promotion campaigns designed to eliminate open defecation in at-scale randomized field experiments in four countries: India, Indonesia, Mali, and Tanzania. Health promotion works through a number of mechanisms, including: providing information on...

This paper documents the evolution of wage differentials and the supply of workers by educational level for sixteen Latin American countries over the period 1991-2013. We find a pattern of rather constant rise in the relative supply of skilled and semi-skilled workers over the period. Whereas...