punishment opportunities are restricted to agents who are linked through alternative punishment networks. We find that the … structure of the punishment network significantly impacts contributions to the public good, but not overall efficiencies …. Contributions collapse over decision rounds in groups with limited punishment opportunities, even if the absolute punishment …

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 …

second contributor. The consequences of sanctioning depend on the treatment: whereas punishment can reduce inequality in one … treatment, it only creates another inequality in the other. To capture the effect of delay on punishment both treatments are run … once with immediate and once with delayed punishment. Moreover, to investigate the effect of pure voice, all four …

We use a laboratory experiment to test the impacts of uncertainty, the magnitude of fines and aversion against making …

able to emerge to internalize the externalities that caused the private system to generate too little deterrence. The model …