Hamilton's rule, inclusive fitness maximization, and the goal of individual behaviour in symmetric two-player games

Samir Okasha, Johannes Martens

Research output: Contribution to journalArticle (Academic Journal)peer-review

17 Citations (Scopus)
395 Downloads (Pure)

Abstract

Hamilton's original work on inclusive fitness theory assumed additivity of costs and benefits. Recently, it has been argued that an exact version of Hamilton's rule for the spread of a pro-social allele (rb > c) holds under nonadditive pay-offs, so long as the cost and benefit terms are defined as partial regression coefficients rather than pay-off parameters. This article examines whether one of the key components of Hamilton's original theory can be preserved when the rule is generalized to the nonadditive case in this way, namely that evolved organisms will behave as if trying to maximize their inclusive fitness in social encounters.
Original languageEnglish
Pages (from-to)473-482
Number of pages10
JournalJournal of Evolutionary Biology
Volume29
Issue number3
Early online date28 Jan 2016
DOIs
Publication statusPublished - Mar 2016

Keywords

  • altruism
  • game theory
  • Hamilton's rule
  • inclusive fitness

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