The Geography of Ethnocentrism

Hammond and Axelrod use an evolutionary agent-based model to explore the development of ethnocentrism. They argue that local interactions permit groups, relying on in-group favoritism, to overcome the Nash equilibrium of the prisoner’s dilemma a…

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Cultural Leaders and the Clash of Civilizations

This article builds a microfounded model of cultural conflict. In this model, intrinsically motivated cultural leaders supply and interpret culture. Leaders have an incentive to amplify disagreement about cultural values. This leads to a clash of pers…

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