norms. In recent years, there has been substantial progress, however, on how cooperation norms are enforced. Here we review … insights into the proximate and ultimate forces behind human cooperation. …

A fundamental question of human society is the evolution of cooperation. Many previous studies explored this question … undoubted fact is that the environment plays an important role in the individual development. Inspired by these phenomena, we ….e., integrating neighborhoods in the evaluation of fitness, promotes cooperation. If we enhance the value of u, the invasion of …

evolution of cooperation and the wealth distribution under different updating rules are investigated. Numerical results show … that the cooperation is highly promoted when the hub nodes are favored in the payoff matrix, which seems to harm the … the node difference is eliminated in the learning strategy, the asymmetric payoff rule will not affect the cooperation …

This paper investigates the driving forces behind informal sanctions in cooperation games and the extent to which …

Differences in group affiliation may affect the level of cooperation in global commons situations such as programs for … they reflect the level of cooperation in the CPR game. …

-governed and externally imposed rules. In general, there is widespread agreement that cooperation can happen and be chosen by … of layers of information that the individuals might be using to decide over their level of cooperation. The layers range …