a punishment regime, in which certain individuals are permitted, but not required, to have punishment directed toward … them. The punishment system can condition on type and contribution history. The results indicate that the most effective … regime, in terms of contributions and earnings, is one that allows punishment of low contributors only, regardless of …

paper we run a public good experiment to test whether or not obligations have any independent effect on cooperation in …

behavior. Instead, we analyze a system of what we call local control (LC), where the enforcement of punishment lies in the … executed and threatened punishment. Agents maximize their payoffs and underlie a constant drift towards not controlling others …. If the educational impact of control is too weak LC breaks down. Moreover, there exists a non{monotonic punishment effect …

We report an experiment on two treatments of an ultimatum minigame.In one treatment, responders' reactions are hidden … attributed to responders' provision of a public good: Punishment creates a group reputation for being "tough" and effectively …-informed proposers, the hypothesis of responders' enjoyment of overt punishment is not supported. …

experiment in which leaders have different costs of leading. Our findings suggest that higher costs of leading lead to stronger …