Evolutionarily stable in-group favoritism and out-group spite in intergroup conflict

We study conflict between two groups of individuals. Using Schaffer`s (1988) concept of evolutionary stability we provide an evolutionary underpinning for in-group altruism combined with spiteful behavior towards members of the rival out-group. We characterize the set of evolutionarily stable combinations of in-group favoritism and out-group spite and find that an increase in in-group altruism can be balanced by a decrease in spiteful behavior towards the out-group.

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Year of publication:	2012
Authors:	Konrad, Kai A. ; Morath, Florian
Institutions:	Volkswirtschaftliche Fakultät, Ludwig-Maximilians-Universität München
Subject:	altruism \| spite \| in-group favoritism \| conflict \| evolutionary stability \| indirect evolutionary approach

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Extent:	application/pdf
Series:	Munich Reprints in Economics.
Type of publication:	Book / Working Paper
Notes:	Published in Journal of Theoretical Biology 306(2012): pp. 61-67
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010897634