In many groups heterogeneous incentives induce people to make unequal contributions to a common pool. This paper studies whether people consider the random assignment of such unequal incentives as unequal opportunities and demand more egalitarian distributions of the pool. The aggregate...

The heterogeneous effort supply in intergroup contests explains why groups have a manager. However, the objectives of group managers and members often differ. Using data from an experiment this paper studies whether this conflict of interests affects leadership effectiveness. The managers have...

We provide experimental evidence on how unequal access to performance enhancing education affects demand for redistribution. People earn money in a real effort experiment and can then decide how to distribute it among themselves and another subjects. We compare situations in which randomly...

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...