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

被引：30
作者：
Konrad, Kai A.
Morath, Florian
机构：
来源：
JOURNAL OF THEORETICAL BIOLOGY | 2012年 / 306卷
关键词：
Altruism; Spite; Conflict; Evolutionary stability; Indirect evolutionary approach; RENT-SEEKING; COOPERATION; STABILITY; ALTRUISM; PREFERENCES; STRATEGIES; SELECTION;
D O I：
10.1016/j.jtbi.2012.04.013
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：61 / 67
页数：7
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