English, Article, Journal or magazine article edition: On the Evolution of Altruistic Ethical Rules for Siblings Ted Bergstrom

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Bookmark: http://trove.nla.gov.au/version/189950
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • On the Evolution of Altruistic Ethical Rules for Siblings
Author
  • Ted Bergstrom
Physical Description
  • preprint
Notes
  • This paper explores the evolutionary foundations of altruism among siblings. It is intended as a contribution to the theory of the evolution of preferences, the economics of the family, and the evolutionary biology of kin selection. This paper extends the kin- selection theory of the biologist, William Hamilton, from the special case of additive benefits and costs to a more general class of games between relatives. We show that a population of siblings will resist invasion by dominant mutants if all individuals act so as to maximize a ``semi-Kantian'' utility function with respect to their siblings. We also find a separate condition that ensures that a population will resist invasion by dominant mutants. Conditions similar to ``strategic complementarity'' and ``strategic substitutability'' of strategies determine whether a population resistant to invasion by dominant mutants will also resist invasion by recessive mutants.
  • RePEc:wop:michec:_023
  • RePEc:cdl:ucsbec:1102
  • This paper explores the evolutionary foundations of altruism among siblings and extends biologists' kin-selection theory to a richer class of games between relatives. It shows that a population will resist invasion by dominant mutant genes if individuals maximize a "semi-Kantian" utility function in games with their siblings. It is shown that a population that resists invasion by dominant mutants may be invaded by recessive mutants. Conditions are found under which a population resists invasion by dominant and also by recessive mutants. (JEL C70, D10, D63)
  • altruism, kin selection, Hamilton's rule, coefficient of relatedness, sexual diploids, genetics,
  • RePEc:cdl:ucsbec:1995a
Language
  • English
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