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We investigate the role of payoff asymmetry in laboratory prisoner’s dilemma games. Symmetric and asymmetric games are examined in simultaneous and sequential settings. In the asymmetric sequential games, we study the impact of having payoff advantaged players moving either first or second. Asymmetry reduces the rates of cooperation in simultaneous games. In sequential games, asymmetry interacts with order of play such that the rate of cooperation is highest when payoff disadvantaged players move first. 相似文献
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Joseph Fisher R. Mark Isaac Jeffrey W. Schatzberg James M. Walker 《Public Choice》1995,85(3-4):249-266
Numerous laboratory experiments have investigated the performance of several processes for providing public goods through voluntary contributions. This research has been able to identify features of the institution or environment which are reliably likely to produce outcomes “close” to the free riding outcome or “substantially” greater than the pessimistic prediction of standard models. One such feature is the “marginal per-capita return” (MPCR) from the public good. Various authors have altered MPCR between groups or for an entire group at the same time. The experiments reported here address a different question, “What would happen if, within a group, some persons faced a ‘high’ MPCR while others faced a ‘low’ MPCR?” 相似文献
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The global self-esteem of adolescents was examined in relation to two aspects of their daily lives: (a) the perceived quality of their relationships with parents and peers; and (b) their self-evaluation in the areas of school, popularity, and athletics. The quality of relationships with parents made significant contributions to the explained variance in self-esteem of both boys and girls. The quality of peer relationships made a significant additional contribution for girls but not boys. The importance of parent and peer relationships to self-esteem did not vary as a function of age for either sex. Self-evaluation of popularity was related to girls' global self-esteem, while evaluation of school performance was more important for boys.Received her Ph.D. from George Peabody College. Research interests include adolescent stress and coping, and parent-child relationships.Received his M.D. from Medical College of Georgia. Research interests include stress, eating disorders, and pregnancy in adolescents. 相似文献
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Ryan C. Walker 《Citizenship Studies》2006,10(4):391-411
State-society relations around low-cost housing in Canada changed from a period of strong federal leadership centred on social rights to a period of state retrenchment. A coalition of housing stakeholders from the public, private, and voluntary sectors self-organized in Winnipeg to create new low-cost housing following the 1993 discontinuation of federal social housing programs. This move toward urban citizenship was not received in the same way by Aboriginal peoples pursuing a distinctive set of rights centred on self-determination alongside common social (housing) goals. While Aboriginal rights are given regard at the federal level, they were not embedded in localized citizenship processes. Expanding the theorization of urban citizenship, the empirical results in this article reveal that discourses of democratic racism and cultural neutrality permeate mainstream views, running counter to Aboriginal citizenship pursuits. 相似文献
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