This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind …

cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment … prevalent at a very young age. However, direct and indirect reciprocity treatments do not increase overall cooperation rates, as …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …

cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment … prevalent at a very young age. However, direct and indirect reciprocity treatments do not increase overall cooperation rates, as …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …

’s choice. The results show that second mover cooperation is higher when the first mover has little control over their choice … and when the second mover is not told what the first mover chose. While subject behavior is consistent with concerns for … mover cooperation and provide potential explanations for the experimental results. …

reciprocate others' behavior, yet direct and indirect reciprocity do not increase overall cooperation rates. We also examine the … reciprocity, and third-party punishment – emerges earliest as a means to increase cooperation in a repeated prisoner's dilemma …We study the development of cooperation in 929 young children, aged 3 to 6. In a unified experimental framework, we …

's choice. The results show that second mover cooperation is higher when the first mover has little control over their choice … and when the second mover is not told what the first mover chose. While subject behavior is consistent with concerns for … mover cooperation and provide potential explanations for the experimental results. …

cooperation rates by doubling them in comparison to a control condition. It promotes cooperative behavior even before punishment … prevalent at a very young age. However, direct and indirect reciprocity treatments do not increase overall cooperation rates, as …Understanding the roots of human cooperation among strangers is of great importance for solving pressing social …

Explaining human cooperation in large groups of non-kin is a major challenge to both rational choice theory and the … theory of evolution. Recent research suggests that group cooperation can be explained by positing that cooperators can punish … informed about the behavior of all others and cheating occurs in full view. We demonstrate that under more realistic …

This paper investigates the driving forces behind informal sanctions in cooperation games and the extent to which … theories of fairness and reciprocity capture these forces. We find that cooperators' punishment is almost exclusively targeted …

This paper investigates the driving forces behind informal sanctions in cooperation games and the extent to which … theories of fairness and reciprocity capture these forces. We find that cooperators’ punishment is almost exclusively targeted …