scholarly journals Endogenous transfers in the Prisoner's Dilemma game: An experimental test of cooperation and coordination

2007 ◽  
Vol 60 (2) ◽  
pp. 287-306 ◽  
Author(s):  
Gary Charness ◽  
Guillaume R. Fréchette ◽  
Cheng-Zhong Qin
Keyword(s):  
Experimental Test ◽  
Prisoner's Dilemma ◽  
Prisoner’S Dilemma ◽  
Prisoner’S Dilemma Game ◽  
Prisoner's Dilemma Game

Facial Likability and Smiling Enhance Cooperation, but Have No Direct Effect on Moralistic Punishment

2016 ◽  
Vol 63 (5) ◽  
pp. 263-277 ◽  
Author(s):  
Laura Mieth ◽  
Raoul Bell ◽  
Axel Buchner
Keyword(s):  
Conditional Probability ◽  
Direct Effect ◽  
Prisoner's Dilemma ◽  
Prisoner’S Dilemma ◽  
Prisoner’S Dilemma Game ◽  
Costly Punishment ◽  
Prisoner's Dilemma Game ◽  
Moralistic Punishment

Abstract. The present study serves to test how positive and negative appearance-based expectations affect cooperation and punishment. Participants played a prisoner’s dilemma game with partners who either cooperated or defected. Then they were given a costly punishment option: They could spend money to decrease the payoffs of their partners. Aggregated over trials, participants spent more money for punishing the defection of likable-looking and smiling partners compared to punishing the defection of unlikable-looking and nonsmiling partners, but only because participants were more likely to cooperate with likable-looking and smiling partners, which provided the participants with more opportunities for moralistic punishment. When expressed as a conditional probability, moralistic punishment did not differ as a function of the partners’ facial likability. Smiling had no effect on the probability of moralistic punishment, but punishment was milder for smiling in comparison to nonsmiling partners.

scholarly journals Moral labels increase cooperation and costly punishment in a Prisoner’s Dilemma game with punishment option

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Laura Mieth ◽  
Axel Buchner ◽  
Raoul Bell
Keyword(s):  
Social Norms ◽  
Prisoner's Dilemma ◽  
Prisoner’S Dilemma ◽  
Framing Effects ◽  
Moral Norms ◽  
Prisoner’S Dilemma Game ◽  
Costly Punishment ◽  
Moral Framing ◽  
Prisoner's Dilemma Game

AbstractTo determine the role of moral norms in cooperation and punishment, we examined the effects of a moral-framing manipulation in a Prisoner’s Dilemma game with a costly punishment option. In each round of the game, participants decided whether to cooperate or to defect. The Prisoner’s Dilemma game was identical for all participants with the exception that the behavioral options were paired with moral labels (“I cooperate” and “I cheat”) in the moral-framing condition and with neutral labels (“A” and “B”) in the neutral-framing condition. After each round of the Prisoner’s Dilemma game, participants had the opportunity to invest some of their money to punish their partners. In two experiments, moral framing increased moral and hypocritical punishment: participants were more likely to punish partners for defection when moral labels were used than when neutral labels were used. When the participants’ cooperation was enforced by their partners’ moral punishment, moral framing did not only increase moral and hypocritical punishment but also cooperation. The results suggest that moral framing activates a cooperative norm that specifically increases moral and hypocritical punishment. Furthermore, the experience of moral punishment by the partners may increase the importance of social norms for cooperation, which may explain why moral framing effects on cooperation were found only when participants were subject to moral punishment.

scholarly journals Is a PD game still a dilemma for Japanese rural villagers? A field and laboratory comparison of the impact of social group membership on cooperation

2021 ◽  
Author(s):  
Yohei Mitani
Keyword(s):  
Social Group ◽  
Prisoner's Dilemma ◽  
Field Experiments ◽  
Group Membership ◽  
Prisoner’S Dilemma ◽  
Economic Life ◽  
Community Members ◽  
Prisoner’S Dilemma Game ◽  
Prisoner's Dilemma Game ◽  
The Impact

AbstractLocal norms and shared beliefs in cohesive social groups regulate individual behavior in everyday economic life. I use a door-to-door field experiment where a hundred and twenty villagers recruited from twenty-three communities in a Japanese rural mountainous village play a simultaneous prisoner’s dilemma game. To examine whether a set of experiences shared through interactions among community members affect experimental behavior, I compare villagers’ behavior under in-community and out-community random matching protocols. I also report a counterpart laboratory experiment with seventy-two university student subjects to address the external validity of laboratory experiments. The findings are three-fold. First, almost full cooperation is achieved when villagers play a prisoner’s dilemma game with their anonymous community members. Second, cooperation is significantly higher within the in-group compared to the out-group treatment in both the laboratory and field experiments. Third, although a significant treatment effect of social group membership is preserved, a big difference in the average cooperation rates is observed between the laboratory and field.

scholarly journals Intentions versus Outcomes: Cooperation and Fairness in a Sequential Prisoner’s Dilemma with Nature

Games ◽  
2021 ◽  
Vol 12 (3) ◽  
pp. 58
Author(s):  
Garret Ridinger
Keyword(s):  
Perspective Taking ◽  
Prisoner's Dilemma ◽  
Prisoner’S Dilemma ◽  
Theoretical Models ◽  
Empathic Concern ◽  
Experimental Results ◽  
Prisoner’S Dilemma Game ◽  
Psychometric Measures ◽  
Prisoner's Dilemma Game ◽  
First Mover

This paper investigates the importance of concerns about intentions and outcomes in a sequential prisoner’s dilemma game with nature. In the game, there is a chance that the first mover’s choice is reversed. This allows the separation of intended actions from the resulting outcomes. Equilibrium predictions from theoretical models of fairness are tested experimentally by varying the chance the first mover’s choice is reversed and whether the second mover observes the first mover’s choice. The results show that second mover cooperation is higher when the first mover has little control over their choice and when the second mover is not told what the first mover chose. While subject behavior is consistent with concerns for both intentions and outcomes, the results indicate that these concerns work in ways not predicted by current theoretical models. In addition, I find that psychometric measures of empathic concern and perspective taking are correlated with second mover cooperation and provide potential explanations for the experimental results.

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