This study explores the effect of several personal religion-related variables on social behaviour, using three paradigmatic economic games: the dictator (DG), ultimatum (UG), and trust (TG) games. A large carefully designed sample of a Spanish urban adult population (N=766) is employed. From...

We show that subjects who set their minimum acceptable offer to zero in an ultimatum game are the most generous players in a dictator game. This finding challenges the interpretation of the acceptance of low offers as payoff-maximizing behavior.