This dissertation studies how psychological motives shape economic preferences and outcomes and how these motives are activated through contextual stimuli. In particular, I focus on the motive care which is a prosocial motive that facilitated cooperation by internalizing externalities, whereas...

We investigate the role of intentions in two-player two-stage games. For this purpose we systematically vary the set of opportunity sets the first mover can chose from and study how the second mover reacts not only to opportunities of gains but also of losses created by the choice of the first...

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...

Prior laboratory experiments have studied general equilibrium economies constructed from \induced preferences" for artificial goods. We introduce new methods that allow us to study economies constructed instead from subjects' actual, \homegrown" preferences. Our subjects reveal their preferences...

Taking note of the wide variety and growing list of models in the literature to explain patterns of behavior observed in laboratory experiments, this paper identifies two tests, the Variety Test (ability of a model to explain outcomes under variety or alternative scenarios) and the Psychological...