This dissertation studies the role of social contexts for prosocial behavior. Motivated by insights from psychology, preferences are assumed to be context-sensitive. The extent to which individuals are prosocial depends therefore on the social and economic context. This dissertation investigates...

This paper studies the evolution of both characteristics of reciprocity - the willingness to reward friendly behavior and the willingness to punish hostile behavior. Firstly, preferences for rewarding as well as preferences for punishing can survive evolution provided individuals interact within...