Mediation is a popular process to manage conflicts, but there is little systematic insight into its mechanisms. This paper discusses the results from an experiment in which a mediator can induce two conflict parties to behave cooperatively. If the mediator recommends cooperative behavior and...

Peer effects are possibly very important for educational performance but hard to identify. This paper confirms the existence of peer effects in a learning process with data from an experiment. The experimental approach circumvents key econometric problems which greatly restrict the analysis of...

The paper presents experimental evidence on the impact of managers and their incentives on the behavior of group members in intergroup contests. I find that members follow the nonbinding investment recommendations of their group manager in particular if the managers payoff does not depend on the...