Consistent adoption of preventive health behaviors could save many lives, but we do not understand how to create consistent adoption. For example, low-cost point-of-use (POU) water treatment technologies such as chlorine and filters can substantially reduce diarrheal disease, a leading cause of...

Movements in and out of poverty are of core interest to both policymakers and economists. Yet the panel data needed to analyze such movements are rare. In this paper we build on the methodology used to construct poverty maps to show how repeated cross-sections of household survey data can allow...