Until recently, theorists considering the evolution of human cooperation have paid little attention to institutional … maximize compliance? We investigate this question by modeling the co-evolution of law and cooperation in a public goods game …' updating of their contribution strategy and observe the effect on Citizen cooperation. We find that when States have unlimited …

, confusion, or natural swiftness in responding. Our results suggest that conditional cooperation serves as a norm and that free …

cooperation that stimulates reciprocal cooperation. If a relatively rich player takes the lead (putting himself/herself under … investment risk) this should be seen as a less strong signal of cooperation than taking the lead among equally endowed players …

cooperation is not hampered, on average, by pollution persistence. Mitigation efforts, though, should not be delayed, because … cooperation levels appear to deteriorate for high stocks of pollution. …

material payoff. Cooperative behavior when non-cooperation is a dominant strategy (with respect to the material payoffs) is … particularly puzzling. Here we propose a novel approach to explain cooperation, assuming what Halpern and Pass (2013) call …

social heuristics, suggest boundary conditions on spillover effects of cooperation, and demonstrate the power of effective … institutions for instilling habits of virtue and creating cultures of cooperation …

large body of research demonstrates the power of “reciprocity” for inducing cooperation: When others know that you have … they think others are also cooperating; and people can develop habits of cooperation that shape their default inclinations …