The cognitive sciences, having emerged in the second half of the twentieth century, are recently experiencing a spectacular renewal which cannot leave unaffected any discipline that deals with human behavior. The primary motivation for our project has been to weigh up the impact that this...

The goal of this paper is to draw some lessons for economic theory from research in psychology, social psychology and, more briefly, in biology, which purports to explain the formation of social preferences. We elicit the basic mechanisms whereby a variety of social preferences are determined in...