temporary contract, while others are permanent members of the same team. In a laboratory experiment we analyze the cooperation …

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

-societal differences in voluntary cooperation. Using one-shot public goods experiments in four comparable subject pools from the US and the … cooperation is lower in Morocco and Turkey than in the UK and the US. Using the ABC approach - in which cooperative attitudes and … beliefs explain cooperation - we show that cooperation is mostly driven by differences in beliefs rather than cooperative …

of universal cooperation because the more prosocial subjects populate the two efficient institutions first, elect … prosocial judges (if institutionally possible), and immediately establish a social norm of high cooperation. This norm appears … to guide subjects' cooperation and punishment choices, including the virtually complete removal of antisocial punishment …

key to the quick emergence of an efficient culture of universal cooperation because the more prosocial subjects populate … social norm of high cooperation. This norm appears to guide subjects' cooperation and punishment choices, including the …

cooperation in a partner setting. We systematically vary a group's composition from all individuals being partner over blended … composition does not affect cooperation in the subsequent partner setting with one exception: Groups cooperate significantly less …

equilibrium strategy. Exclusion has a positive impact on cooperation when it is followed by a quick rather than a slow … retaliation. Post-exclusion cooperation and forgiveness depend not only on the length of exclusion but also on the perceived …