“…The models of Rege (), Nyborg et al (), and Lin and Yang () does not explain why there is a social norm to contribute but model its dynamics. The approaches of Bicchieri () and Young (), or Gordon () and Bethencourt and Kunze () on tax evasion, are similar. Others, within the immense literature on the evolutionary roots of human altruism and prosocial behavior, have tried to model the emergence of social norms as evolutionary stable, fitness‐enhancing strategies (e.g., Bicchieri, Duffy, & Tolle, ; Bowles & Gintis, ).…”