Explaining human cooperation in large groups of non-kin is a major challenge to both rational choice theory and the … theory of evolution. Recent research suggests that group cooperation can be explained by positing that cooperators can punish … information conditions, where cheating is less obvious, punishment is much less effective in enforcing cooperation. Evidently, the …

increase of cooperation, which is here extended to all two-player social dilemmas. In addition, we discuss the role of the …

together rather than investing separately. We study the coordination and cooperation problems that might hinder successful … partners for collaboration, while cooperation problems arise at the investment levels of partners who have already agreed to …. It is mostly found that if cooperation is successful in terms of investment, it is due to subjects being able to monitor …

In repeated public good experiments, reciprocity helps to sustain high levels of cooperation. Can this be achieved by … location. This mechanism of individually targeted sanctions helps to foster initial cooperation. It decreases over time …, however. Location choices are used to reciprocate, but may not suffice to stabilize voluntary cooperation as an effect …

We use experimental methods to investigate whether pledges of commitment can improve cooperation in endogenously … findings show that pledges of commitment alone can increase cooperation and welfare in committed partnerships. The introduction … partnerships fall solely on the individual choosing to break up, pledges of commitment fail to improve cooperation and welfare. …

cooperation), especially for Partners. These results suggest Take framing and Individual-level feedback increase the variability … of cooperation. …

exploiting cooperators in subsequent rounds. We analytically calculate the critical benefit-to-cost ratio above which cooperation …

stage, nature draws the costs and benefits of cooperation according to a commonly-known distribution. In the second stage …

Reciprocal cooperation can be studied in the Centipede game, in which two players alternate in choosing between a … investigated cooperation in four Centipede games differing in their payoffs at the game's end (positive versus zero) and payoff … high payoff inequality were found to reduce cooperation significantly. Contrary to previous predictions, combining these …

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 …