Bicchieri, Cristina2023-05-232023-05-231990-07-012017-02-24https://repository.upenn.edu/handle/20.500.14332/42522© 1990 by The University of Chicago.GamesSocial normsTit for tatCooperationLearningRational choice theoryConformityPrisoners dilemmaDominant strategyRationalityExperimental Analysis of BehaviorOther PsychologyTheory and PhilosophyNorms of CooperationArticle