interaction effects. We conduct a laboratory experiment that avoids the identification problem present in the field and allows us …

monitors'). We review the literature on the relative merits of punishment and rewards when the distribution of incentive power … evidence showing how concentrating reward/punishment power in one group member affects cooperation. …

a penalty and excuse their selfish behavior. We address the question of punishment legitimacy in our experiment by …A stream of research examining the effect of punishment on conformity indicates that punishment can backfire and lead … shedding light upon the importance of social norms and their interplay with punishment mechanisms. We show that the separate …

We provide a direct test of the role of social preferences in voluntary cooperation. We elicit individuals’ cooperation … preference in one experiment and make a point prediction about the contribution to a repeated public good. This allows for a … novel test as to whether there are "types" of players who behave consistently with their elicited preferences. We find clear …

Considerable experimental evidence shows that although costly peer-punishment enhances cooperation in repeated public …-good games, heavy punishment in early rounds leads to average period payoffs below the non-cooperative equilibrium benchmark. In … fall prey to a poverty trap or, to avoid this, abstain from punishment altogether. We show that neither is the case …

We report evidence from public goods experiments with and without punishment which we onducted in Russia with 566 urban … cooperation-enhancing effect of punishment. An important reason is that there is punishment of contributors in all four subject … pools. Thus, punishment can also undermine the scope for self-governance in the sense of high levels of voluntary …

the effectiveness of these mechanisms in a one-shot public goods experiment. Voluntary participation has a positive effect …

examine the relative effectiveness of these two mechanisms in a one-shot, two-person public goods game experiment. We find …