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War Signals: A Theory of Trade, Trust and Conflict

Dominic Rohner (), Mathias Thoenig () and Fabrizio Zilibottix ()
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Fabrizio Zilibottix: Department of Economics, University of Zurich

Authors registered in the RePEc Author Service: Fabrizio Zilibotti ()

No 95, HiCN Working Papers from Households in Conflict Network

Abstract: We construct a dynamic theory of civil conflict hinging on inter-ethnic trust and trade. The model economy is inhabited by two ethnic groups. Inter-ethnic trade requires imperfectly observed bilateral investments and one group has to form beliefs on the average propensity to trade of the other group. Since conflict disrupts trade, the onset of a conflict signals that the aggressor has a low propensity to trade. Agents observe the history of conflicts and update their beliefs over time, transmitting them to the next generation. The theory bears a set of testable predictions. First, war is a stochastic process whose frequency depends on the state of endogenous beliefs. Second, the probability of future conflicts increases after each conflict episode. Third, "accidental" conflicts that do not reflect economic fundamentals can lead to a permanent breakdown of trust, plunging a society into a vicious cycle of recurrent conflicts (a war trap). The incidence of conflict can be reduced by policies abating cultural barriers, fostering inter-ethnic trade and human capital, and shifting beliefs. Coercive peace policies such as peacekeeping forces or externally imposed regime changes have instead no persistent effects.

New Economics Papers: this item is included in nep-cwa, nep-dge, nep-evo, nep-mic and nep-soc
Date: 2011-01
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Related works:
Journal Article: War Signals: A Theory of Trade, Trust, and Conflict (2013) Downloads
Working Paper: War Signals: A Theory of Trade, Trust and Conflict (2011) Downloads
Working Paper: War Signals: A Theory of Trade, Trust and Conflict (2011) Downloads
Working Paper: War Signals: A Theory of Trade, Trust and Conflict (2011) Downloads
Working Paper: War Signals: A Theory of Trade, Trust and Conflict (2011) Downloads
Working Paper: War signals: a theory of trade, trust and conflict (2011) Downloads
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