In this laboratory experiment, we show that people incorporate irrelevant group information when evaluating others. Individuals from groups that perform badly on average receive low evaluations, even when it is known that the individuals themselves perform well. This group-bias occurs both in a...

Being the leader in a group often involves making risky decisions that affect the payoffs of all members, and the decision to take this responsibility in a group is endogenous in many contexts. In this paper, we experimentally study: (1) the willingness of men and women to make risky decisions...