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 …

We study the effect of group size on cooperation in voluntary contribution mechanism games. As in previous experiments … find that cooperation is highest of all in twoperson groups. The findings in the high MPCR condition are consistent with … those from n-person prisoner's dilemma and oligopoly experiments that suggest it is more difficult to sustain cooperation in …

While inequality in resource endowments has been shown to affect cooperation levels in groups, much of this evidence … payoff-irrelevant inequality in resources between groups on cooperation within equal groups. When all groups are poor or rich …

Previous experiments have found a moderate, positive effect of group size on cooperation in voluntary contribution … results from n-person prisoner's dilemma and oligopoly experiments where group size has a negative effect on cooperation. In … mechanism ; cooperation ; group size …

We investigate experimentally whether the extent of conditional cooperation in public good games depends on the … leads and three follow. Even though we observe less conditional cooperation for an MPCR of 0.2, the prevalence of … conditional cooperation remains relatively stable to changes in the MPCR and game timing. In contrast, the level of MPCR has a …

-world settings. We show that the decline of cooperation is driven by individual preferences for imperfect conditional cooperation … or people's heterogeneity in preferences makes voluntary cooperation fragile. Universal free riding thus eventually … cooperation ; free riding …

We provide a test of the role of social preferences and beliefs in voluntary cooperation and its decline. We elicit … individuals' cooperation preferences in one experiment and use them as well as subjects' elicited beliefs to explain contributions … based on this data, we show that the decline of cooperation can be driven by the fact that most people have a preference to …