期刊
ANIMAL BEHAVIOUR
卷 84, 期 4, 页码 947-952出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anbehav.2012.07.019
关键词
economic game; emotion; framing; irrational; social preference; utility
资金
- ERC
Economic games are often used in an attempt to reveal the underlying preferences or motivations that govern human behaviour. However, this approach relies on the implicit assumption that individuals are rational and fully aware of the consequences of their decisions. We examined behaviour in a standard economic game that is often used to measure social preferences: the public-goods game. We found that giving information to individuals about the relative success of their group led to (1) significantly higher levels of cooperation and (2) emotional responses to group success. This is despite the fact that group success had no effect on the payoffs in our game, and so knowledge of group success should not influence the behaviour of rational players. Consequently, these results suggest that cues of group competition have an automatic or unconscious effect on human behaviour that can induce increased within-group cooperation. More generally, this framing effect emphasizes the potential problem with drawing biological conclusions from the quantitative comparison of cooperation levels in economic games with the predictions of theory. Instead, our results emphasize the advantage of testing theory by qualitatively comparing behaviour across treatments, and with regard to expected adaptations and expected ontogeny. (C) 2012 The Association for the Study of Animal Behaviour. Published by Elsevier Ltd. All rights reserved.
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