A lot of economic and social situations can be described as contests in which agents need to distribute scare resources. Individual behavior plays an important role within these situations, while identity strongly impacts on behavior. This paper asks how group identity impacts the provision of a...

We study a giver's generosity depending on her relationship with the recipient and the observer. We assign different group identities to the players using a variation of the minimumgroup paradigm, and test the effect of group memberships on altruistic giving in the dictator game with a passive...

Using a real-effort experiment, we study whether group identity affects unethical behavior in a contest game. We vary whether minimal group identity is induced or not, whether individuals have to report their own outcome or the outcome of their competitor, and whether pairs of competitors share...