Indirect reciprocity is a mechanism for cooperation based on shared moral systems and individual reputations. It assumes that members of a community routinely observe and assess each other and that ...

In the complicated world of human interactions, helping others can come back around, a concept known as indirect reciprocity. It’s like a societal credit score, where one’s good deeds build up a good ...

x-axis represents the initial perfect defector ratio (η), and y-axis represents reputation cost (γ ). In accordance with the values of η and γ , there are two phases: one in which cooperation ...

A new study analyzes how the social norm of indirect reciprocity is adopted in human society and reveals results that contradict previous theoretical predictions. A research team led by Hitoshi ...

Investigators have focused their research on the role the diversity of social norms can play in the process of evolving cooperation by means of evolutionary computation methods. A research team led by ...