close until ten minutes have passed without a bid. This paper reports an experiment that allows us to examine the effect of …

theory, while sociological theories of social ties and intergroup comparisons suggest that bilateral cooperation can be … strengthened if there exist outsiders that gain from cooperative break down. We investigate this in a laboratory experiment … implemented by letting subjects make a positive contribution to a public good if they choose to defect from cooperation, i …

We study the development of cooperation in 929 young children, aged 3 to 6. In a unified experimental framework, we … examine pre-registered hypotheses about which of three fundamental pillars of human cooperation – direct and indirect … reciprocity, and third-party punishment – emerges earliest as a means to increase cooperation in a repeated prisoner's dilemma …

Understanding the roots of human cooperation among strangers is of great importance for solving pressing social … dilemmas and maintening public goods in human societies. We study the development of cooperation in 929 young children, aged 3 … to 6. In a unified experimental framework, we examine which of three fundamental pillars of human cooperation – direct …

cooperation? This paper investigates the possibility that a small deceptive act of misrepresenting some information about one … of this new ability to hide one's identity information remain imperfectly understood. Might it be corrosive to human …-to-treat analysis, we demonstrated that randomly allowing people to misrepresent their gender identity information reduced the aggregate …

Social interactions predominantly take place under the shadow of the future. Previous literature explains cooperation … paper provides a causal test of the importance of social preferences for cooperation, varying the composition of …-registered experiments (N = 1,074), we show that groups of prosocial individuals achieve substantially higher levels of cooperation. The …