Using unique village census data collected in 2003 and 2008 in Senegal, we assess the impact of a major World Bank-funded Community Driven Development (CDD) program on membership and assortative matching in community-based organizations (CBOs). We implement both standard discrete choice and...

This paper estimates the causal impact of landmines on child health and household expenditures in Angola by exploiting geographical variations in landmine intensity. We generate exogenous variation in landmine intensity using the distance between communes and rebel headquarters. As predicted by...

This paper tests the generalized Trivers Willard hypothesis, which predicts that parents with heritable traits that increase the relative reproductive success of males compared to females will have relatively more males than females. As in Kanazawa (2005) we test if taller mothers have...