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...

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...