While most papers on team decision-making find that teams behave more selfishly, less trustingly and less altruistically than individuals, Cason and Mui (1997) report that teams are more altruistic than individuals in a dictator game. Using a within-subjects design we re-examine group...

We analyze an experimental public goods game in which group members can endogenously determine whether they want to supplement a standard voluntary contribution mechanism with the possibility of rewarding or punishing other group members. We find a large and positive effect of endogenous...

Social preferences have been shown to be an important determinant of economic decision making for many adults. We present a large-scale experiment with 883 children and adolescents, aged eight to seventeen years. Participants make decisions in eight simple, one-shot allocation tasks, allowing us...

We examine bidding behaviour of individuals and teams in an experimental auction resembling UMTS-license auctions. Even though in reality teams were largely involved in those auctions, experimental studies on bidding in auctions have so far relied on individual bidders. Our results show that...

In hierarchical organizations the role of a team leader often requires making decisions which do not necessarily coincide with the majority opinion of the team. However, these decisions are final and binding for all team members. We study experimentally why, and under which conditions, leaders...