Ostracism, or exclusion by peers, has been practiced since ancient times as a severe form of punishment against … behavior and the functioning of a social group. We present data from a laboratory experiment, in which participants face a … form of punishment and decreases theft by excluded members once they are re-admitted into the group. However, it also leads …

cooperation in a repeated prisoner's dilemma game. We find that third-party punishment exhibits a strikingly positive effect on … cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …

; punishment ; reward ; endogenous institutional choice ; voting ; experiment … find a large and positive effect of endogenous institutional choice on the level of cooperation in comparison to … exogenously implemented institutions. This suggests that participation rights enhance cooperation in groups. With endogenous …

We examine the effectiveness of three democratically chosen rules that alleviate the coordination and cooperation … framed field experiment that is based on a rangeland model for semi-arid regions and carried out with communal farmers in … limitation of livestock numbers. All rules were designed in a way that facilitated cooperation or coordination of actions. The …

-shot public goods experiment and the joy-of-destruction experiment with pastoralists from both areas. Results from the joy …-of-destruction experiment reveal that a substantial fraction of people is willing to reduce another subject's income, although this comes at an … hence competitive pressure is higher. By contrast, levels of cooperation are very similar across areas. This indicates that …