Assuming investors are loss averse, repeated risky investments are less attractive inmyopic evaluation. A theoretical foundation for this effect is given by the behavioralconcept of myopic loss aversion (MLA). The consequences of MLA have been confirmedin several between-subject experimental...

We investigate the role of affect and deliberation on social preferences. In ourlaboratory experiment subjects decide on a series of mini Dictator games while they are undervarying degrees of cognitive load. The cognitive load is intended to decrease deliberation andtherefore enhance the...

This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind ones. The theory takes into account that people evaluate the kindness of an action not only by its consequences but also the intention underlying this action. The theory...

Field evidence suggests that agents belonging to the same group tend to behave similarly, i.e., behavior exhibits social interaction effects. Testing for such effects raises severe identification problems. We conduct an experiment that avoids these problems. The main design feature is that each...