Levine argues that neither self-interest nor altruism explains experimental results in bargaining and public goods games. Subjects' preferences appear also to be sensitive to their opponents' perceive
This study incorporates historical performance into traditional imitation rules and proposes a moderated strategy update rule. In this framework, an individual’s temporal historical performance is cal
Varying k with g = 3 and varying q with p = 1. Cells give mean (± s.e.m.) cooperation (first figure) and punishment (second figure), each computed for generations 1001–2000 and averaged across 10 simu