Discussion Paper Details

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Title: Diasporas and Conflict

Author(s): Fabio Mariani, Marion Mercier and Thierry Verdier

Publication Date: March 2017

Keyword(s): Diasporas; Confict; International Migration

Programme Area(s): Development Economics

Abstract: We build a model of confict in which two groups contest a resource and must decide on the optimal allocation of labor between fighting and productive activities. In this setting, a diaspora emanating from one of the two groups can get actively involved in the confict by transferring financial resources to its origin country. We find that the diaspora infuences the war outcome and, above a certain size, contributes to the escalation of violence. Given the characteristics of the confict equilibrium, the two groups of residents prefer to negotiate a peaceful settlement if there exists a sharing rule that makes both of them better off than war. We then identify the characteristics of the economy such that the diaspora acts as a peace-wrecking force or triggers a transition towards peace. A dynamic version of the model with an endogenous diaspora allows us to analyze the joint evolution of migration and confict in the home country, discuss the role of openness to migration and the possibility of multiple equilibria, and draw some policy implications.

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Bibliographic Reference

Mariani, F, Mercier, M and Verdier, T. 2017. 'Diasporas and Conflict'. London, Centre for Economic Policy Research.