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  Which risk scenarios can drive the emergence of costly cooperation?

Hagel, K., Abou Chakra, M., Bauer, B., & Traulsen, A. (2016). Which risk scenarios can drive the emergence of costly cooperation? Scientific Reports, 6: 19269. Retrieved from http://dx.doi.org/10.1038/srep19269.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-0C35-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-ACA9-E
Genre: Journal Article

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srep19269.pdf (Publisher version), 836KB
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http://www.nature.com/articles/srep19269 (Publisher version)
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 Creators:
Hagel, Kristin1, 2, Author              
Abou Chakra, Maria1, Author              
Bauer, Benedikt1, Author              
Traulsen, Arne1, Author              
Affiliations:
1Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445641              
2Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: cultural evolution; psychology and behaviour
 Abstract: In collective risk dilemmas, cooperation prevents collective loss only when players contribute sufficiently. In these more complex variants of a social dilemma, the form of the risk curve is crucial and can strongly affect the feasibility of a cooperative outcome. The risk typically depends on the sum of all individual contributions. Here, we introduce a general approach to analyze the stabilization of cooperation under any decreasing risk curve and discuss how different risk curves affect cooperative outcomes. We show that the corresponding solutions can be reached by social learning or evolutionary dynamics. Furthermore, we extend our analysis to cases where individuals do not only care about their expected payoff, but also about the associated distribution of payoffs. This approach is an essential step to understand the effects of risk decay on cooperation.

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Language(s): eng - English
 Dates: 2015-09-182015-11-262016-01-202016-01-20
 Publication Status: Published in print
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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: 9 Seiten Volume / Issue: 6 Sequence Number: 19269 Start / End Page: - Identifier: ISSN: 2045-2322
CoNE: /journals/resource/2045-2322