Stern-Judging: A Simple, Successful Norm Which Promotes Cooperation under Indirect Reciprocity


We study the evolution of cooperation under indirect reciprocity, believed to constitute the biological basis of morality. We employ an evolutionary game theoretical model of multilevel selection, and show that natural selection and mutation lead to the emergence of a robust and simple social norm, which we call stern-judging. Under stern-judging, helping a… (More)
DOI: 10.1371/journal.pcbi.0020178


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