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文章基本信息

  • 标题:Human responses to unfairness with primary rewards and their biological limits
  • 本地全文:下载
  • 作者:Nicholas D. Wright ; Karen Hodgson ; Stephen M. Fleming
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2012
  • 卷号:2
  • 期号:1
  • DOI:10.1038/srep00593
  • 语种:English
  • 出版社:Springer Nature
  • 摘要:

    Humans bargaining over money tend to reject unfair offers, whilst chimpanzees bargaining over primary rewards of food do not show this same motivation to reject. Whether such reciprocal fairness represents a predominantly human motivation has generated considerable recent interest. We induced either moderate or severe thirst in humans using intravenous saline, and examined responses to unfairness in an Ultimatum Game with water. We ask if humans also reject unfair offers for primary rewards. Despite the induction of even severe thirst, our subjects rejected unfair offers. Further, our data provide tentative evidence that this fairness motivation was traded-off against the value of the primary reward to the individual, a trade-off determined by the subjective value of water rather than by an objective physiological metric of value. Our data demonstrate humans care about fairness during bargaining with primary rewards, but that subjective self-interest may limit this fairness motivation.

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    © 2012 Macmillan Publishers Limited. All rights reserved

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