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  Variability in group size and the evolution of collective action

Peña, J., & Nöldeke, G. (2016). Variability in group size and the evolution of collective action. Journal of Theoretical Biology, 389, 72-82. doi:10.1016/j.jtbi.2015.10.023.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-2182-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-204E-8
Genre: Journal Article

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Pena_Nöldeke_2015.pdf (Publisher version), 646KB
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 Creators:
Peña, Jorge1, Author              
Nöldeke, Georg, Author
Affiliations:
1Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445641              

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Free keywords: Evolutionary game theory; Public goods games; Replicator dynamics; Stochastic orders
 Abstract: Models of the evolution of collective action typically assume that interactions occur in groups of identical size. In contrast, social interactions between animals occur in groups of widely dispersed size. This paper models collective action problems as two-strategy multiplayer games and studies the effect of variability in group size on the evolution of cooperative behavior under the replicator dynamics. The analysis identifies elementary conditions on the payoff structure of the game implying that the evolution of cooperative behavior is promoted or inhibited when the group size experienced by a focal player is more or less variable. Similar but more stringent conditions are applicable when the confounding effect of size-biased sampling, which causes the group-size distribution experienced by a focal player to differ from the statistical distribution of group sizes, is taken into account. © 2015 Elsevier Ltd.

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Language(s): eng - English
 Dates: 2015-10-072015-06-252015-10-102015-11-102016
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1016/j.jtbi.2015.10.023
BibTex Citekey: Peña201672
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Project name : Swiss NSF Grant
Grant ID : PBLAP3-145860
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Title: Journal of Theoretical Biology
  Abbreviation : J. Theor. Biol.
Source Genre: Journal
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Publ. Info: London : Elsevier
Pages: - Volume / Issue: 389 Sequence Number: - Start / End Page: 72 - 82 Identifier: Other: 0022-5193
Other: 1095-8541
CoNE: /journals/resource/954922646048