Journal article

Indirect reciprocity is sensitive to costs of information transfer.

Shinsuke Suzuki, Hiromichi Kimura

Scientific Reports | Published : 2013


How natural selection can promote cooperative or altruistic behavior is a fundamental question in biological and social sciences. One of the persuasive mechanisms is "indirect reciprocity," working through reputation: cooperative behavior can prevail because the behavior builds the donor's good reputation and then s/he receives some reciprocal benefits from someone else in the community. However, an important piece missed in the previous studies is that the reputation-building process requires substantial cognitive abilities such as communication skills, potentially causing a loss of biological fitness. Here, by mathematical analyses and individual-based computer simulations, we show that na..

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University of Melbourne Researchers


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