Assorting on gender is casually observed in developing countries and is now systematically built into many group-oriented development interventions. In this paper we explore the mechanisms underlying the emergent gender assorting, using an experiment in which African villagers could form groups...

Previous analyses of the formation and composition of community-based organizations (CBOs) have used cross section data. So, causal inference has been compromised. We obviate this problem by using data from a quasi-experiment in which villages were formed by government officials selecting and...