An important question to microfinance is the relevance of existing social capital in target communities to the performance of group lending. This research presents evidence from field experiments in South Africa and Armenia, in which subjects participate in trust games and a microfinance game....

We design an artefactual field experiment to study the relationship between joint-liability lending and adverse selection, moral hazard and risk preferences. While theories concerning joint-liability lending have highlighted its ability to mitigate adverse selection in credit transactions, our...

We investigate the possibility that females and males had a distinct path in the evolution of prosociality and competitiveness. We collected experimental data measuring preferences for individual competition and in-group cooperation for a randomly selected sample of 751 individuals in Sierra...

Recent studies have reported surprising increases in pro-social behavior following exposure to conflict. However, our research provides cautionary evidence of some important detrimental effects of conflict hidden within an overall trend toward increasing certain pro-social preferences. We draw...

A laboratory experiment studies coordination and cooperation in games played in different networks - local, random and small-world. Coordination on the payoff-dominant equilibrium was faster in small-world networks than in local and random networks. However, in a prisoner's dilemma game,...

We design an experiment to examine the causal effect of legal institutional quality on informal norms of cooperation, and study the interaction of institutions and culture in sustaining economic exchange. 346 subjects in Italy and Kosovo play a market game under different and randomly allocated...