We test whether humans are intuitively inclined to cooperate with or punish strangers using a natural field experiment … pressure can increase rates of punishment. We discuss our results with respect to findings in the lab on cognitive models of … dual-processing and the origins of human cooperation. …

cooperation in a repeated prisoner’s dilemma game. We find that third-party punishment exhibits a strikingly positive effect on … cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …

cooperation in a repeated prisoner's dilemma game. We find that third-party punishment exhibits a strikingly positive effect on … cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …

reciprocity, and third-party punishment – emerges earliest as a means to increase cooperation in a repeated prisoner's dilemma … game. We find that third-party punishment doubles cooperation rates in comparison to a control condition. Children also …We study the development of cooperation in 929 young children, aged 3 to 6. In a unified experimental framework, we …

cooperation in a repeated prisoner’s dilemma game. We find that third-party punishment exhibits a strikingly positive effect on … cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …

cooperation in a repeated prisoner's dilemma game. We find that third-party punishment exhibits a strikingly positive effect on … cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …

cooperation in a repeated prisoner's dilemma game. We find that third-party punishment exhibits a strikingly positive effect on … cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …