This dissertation comprises of three independent essays which introduce novel psychologically inspired process models and examine their implications for individual, collective or market behavior. The first essay studies multi-attribute choice as a guided process of search. It puts forward a...

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...