We experimentally compare the consequences for group cooperation of two decision mechanisms involving the extension of …

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 …

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 …

temporary group member's effort but also the efforts of the permanent group members and, ultimately, also cooperation within the …

refugee populations can cooperate harmoniously. We conduct a lab-in-the-field experiment in Lebanon studying intra- and inter …