We introduce a game theory model of individual decisions to cooperate by contributing personal resources to group decisions versus by free-riding on the contributions of other members. In contrast to most public-goods games that assume group returns are linear in individual contributions, the...

Measuring social norms and preferences using experimental games : a guide for social scientists / Colin F. Camerer and Ernst Fehr -- Coalitional effects on reciprocal fairness in the ultimatum game : a case from the Ecuadorian Amazon / John Q. Patton -- Comparative experimental evidence from...

Intro -- Contents -- Illustrations -- Contributors -- Part I - Theory, Method, and Comparative Analysis -- Chapter 1. Introduction, Project History, and Guide to the Volume - Jean Ensminger and Joseph Henrich -- Chapter 2. Theoretical Foundations: The Coevolution of Social Norms, Intrinsic...