an experiment with piece-rate incentives we find that the comparative static and the point predictions on effort … provision are remarkably accurate. We also present experimental findings from three classic experiments, namely, team production … induced values, which is useful for theory-testing purposes as well as for applications. …

) we vary three payoff indices. Indices of risk and temptation capture the unilateral incentives to defect against … reduces cooperation. In neither study, nor in either subject pool of our second study, do we find a significant effect of risk. …

interaction effects. We conduct an experiment that avoids the identification problem present in the field. Our novel design …

We introduce "group cohesion" to study the economic relevance of social relationships in team production. We …

three experiments (N = 1,993): in a preliminary experiment, we vary the payoffs over a large range. In our first main … experiment (Study 1), we present a novel design that varies payoffs orthogonally in a within-subjects design. Our second main … experiment, Study 2, investigates the orthogonal variation of payoffs in a between-subjects design. In a complementary analysis …