punishment is widely agreed to be potentially useful in fostering cooperation, many recent results in psychology and economics … promoting social norms. We show here, using experiments with human subjects, that public implementation of punishment can … interests, we find that privately implemented punishment reduces cooperation relative to a baseline treatment without punishment …

This paper introduces new experimental designs to enrich understanding of conditional cooperation and punishment in … public good games. The key to these methods is to elicit complete contribution or punishment profiles using the strategy … contribute more unequally. Contingent punishment strategies are found to increase with decreasing contributions by the target …

altruistic punishment by using public goods experiments. We conducted the experiments in Turkey at different points in time; one … punishment among individuals during Ramadan, even when the degree of their religiosity varied. However, less religious people did …

punishment behavior. Our study uses experiments conducted with 525 officers in the Swiss Army, and exploits random assignment to … prisoner's dilemma game with in-group as opposed to out-group members. They also use a costly punishment option to selectively … stronger in-group cooperation, but also a qualitative change in punishment: punishment becomes antisocial, harming cooperative …

Recent experiments show that public goods can be provided at high levels when mutual monitoring and costly punishment … are allowed. All these experiments, however, study monitoring and punishment in a setting where all agents can monitor and …

heterogeneous groups. When punishment is not allowed all groups converge towards free-riding. With punishment, contributions … that these differences are not accidental but enforced by punishment. The enforced contribution norms are related to …

and privileged groups with and without decentralized punishment. We find that compared to normal groups, privileged groups … are relatively ineffective in using costly sanctions to increase everyone's contributions. Punishment is less targeted …

Army. We conduct choice experiments - simultaneous prisoner’s dilemma games, with and without third-party punishment - in … not lead to hostility, in the sense of vindictive punishment of outsiders, but does affect norm enforcement, enhancing …