Research in economics and psychology has established that informal non-monetary sanctions, particularly expressions of negative emotion or disapproval, can enforce fair economic exchange. However, scholars are only beginning to understand the reasons non-monetary sanctions affect economic...

Violent conflict destroys resources. It generates “destruction costs.” These costs have an important effect on individuals’ decisions to cooperate or conflict. We develop two models of conflict: one in which conflict's destruction costs are independent of individuals’ investments in...

Why is it so hard to get opposing elites to work together rather than to seek partisan gains and/or political survival? While the credible commitment problem is widely known, there are a number of lesser known obstacles to building trust and trust worthiness between opposing elites. This article...

This article examines gender differences in pro-sociality using theories from evolutionary psychology and empirical evidence from experimental economics. Although there has been extensive prior research in both fields, there remains a large disconnect between the source of gender differences in...