selection mechanisms in group decision-making. In a setting where all members of a group get the same payoff based on the group … leader's decision of how much risk to take, we study the effects of two treatment variables: (1) whether group members can …'s decision: the communicated preferences have a significant effect on the actual group decision only when the leader is appointed …

. Students were randomly matched in teams of three and in each team we randomly chose a leader with the task of coordinating the … work of the team. We find a positive and significant effect of female leadership on team performance. This effect is driven … by the higher performance of team members in female led teams rather than due to an improvement in the leader …

and predominately sell winners. The data suggest that decision-dependent emotions may explain the differences. That is …