Until recently, theorists considering the evolution of human cooperation have paid little attention to institutional … punishment, a defining feature of large-scale human societies. Compared to individually-administered punishment, institutional … punishment offers a unique potential advantage: the ability to control how quickly legal rules of punishment evolve relative to …

pressure can increase rates of punishment. We discuss our results with respect to findings in the lab on cognitive models of … dual-processing and the origins of human cooperation. …

taxation. In addition, we find that local social interaction among subgroups of participants also boosts cooperation. …

cooperation and strategies, such as punishment and gossip, to promote cooperation in social dilemmas. In two studies involving … cooperation or the use of punishment and gossip to promote cooperation. We discuss the implications of these findings for …Previous research on cooperation has primarily focused on egalitarian interactions, overlooking a fundamental feature …

-group behavior of Syrian refugees and Lebanese nationals in a repeated public good game without and with punishment. We find that …

-group behavior of Syrian refugees and Lebanese nationals in a repeated public good game without and with punishment. We find that …

social norm of high cooperation. This norm appears to guide subjects' cooperation and punishment choices, including the … that avoid these costs and whether other, more centralized, punishment systems are superior and will be preferred by the … people. Here, we show that efficient peer sanctioning without much need for costly punishment emerges quickly if we introduce …

irrespective of punishment and therefore have a lower demand for a costly punishment institution than groups of like-minded free … riders, who are unable to cooperate without punishment. We also predict that the difference in the demand for punishment is … cooperative groups to avoid wasting resources for an unneeded punishment institution. In uncooperative groups, it helps members to …