voluntary cooperation in team production. Our experimental data suggest an indirect and gender-specific link: Overconfident men …

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

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 …

encourage cooperation may actually hurt morale, by convincing opportunistic team members to imitate and later take advantage of …