Gibt es einen "Krieg der Kulturen" zwischen dem Westen und dem Islam? Die einen sagen, wir sind bereits mitten in diesem Krieg, die anderen hoffen, den Konflikt durch einen Dialog der Kulturen entschärfen zu können. Amartya Sen zeigt in seinem Buch, daß die falsche Illusion einer einzigen...

In-group favoritism in social dilemma situations is one of the main findings of studies in Social Identity Theory. We investigate what causes the in-group bias: is it due to mere group affiliation or, alternatively, is guilt-aversion a possible explanation? We induce group membership in a...

Are people willing to sacrifice resources to save one's and others' face? In a laboratory experiment, we study whether individuals forego resources to avoid the public exposure of the least performer in their group. We show that a majority of individuals are willing to pay to preserve not only...