This paper experimentally examines how religious festivals and the degree of religiosity affect cooperation and … altruistic punishment by using public goods experiments. We conducted the experiments in Turkey at different points in time; one … religious festivals other than the normal daily prayers. The overall results show no differences in cooperation or altruistic …

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 …

punishment is widely agreed to be potentially useful in fostering cooperation, many recent results in psychology and economics … interests, we find that privately implemented punishment reduces cooperation relative to a baseline treatment without punishment …Development of human societies requires cooperation among unrelated individuals and obedience to social norms. Although …

and its impact on cooperation of its members are yet not well understood. We experimentally investigate community choice … in social dilemmas. Participants repeatedly choose between a community with and an alternative without punishment … opportunities. Within each community a social dilemma game is played. While the community with punishment grows over time and fully …

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 …

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 …

willingness of some team members to engage in the costly punishment of shirkers. This alternative does not require small group …

, fostering unselfish cooperation and norm enforcement within the group, but whether there is also a dark side, in the form of … 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 …

cooperation-enhancing effect of punishment. An important reason is that there is substantial spiteful punishment of high …We report evidence from public goods experiments with and without punishment which we conducted in Russia with 566 … urban and rural participants of young and mature age cohorts. Russia is interesting for studying voluntary cooperation …