We study cooperation in an environment where public good providers face the decision to accept a newcomer to their … cooperation outcomes significantly. Providing information on prior prosocialty, however, constitutes a significant determinant for …

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 …

Revealing the identities of contributors has been shown to increase cooperation in public goods games. In this paper we … computer chat. The results confirm the positive effect of identification on cooperation among individuals. For groups, however …

' contributions to a public good. The donation is either costless (because it is financed by the experimenter) or deducted from a team …

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