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Review of Economic Studies Vol. 82 No. 4 2015

Mediation and Peace

Johannes Hörner1; Massimo Morelli2; Francesco Squintani3

1 Yale University · 2 Bocconi University · 3 University of Warwick

Abstract

This article applies mechanism design to the study of international conflict resolution. Standard mechanisms in which an arbitrator can enforce her decisions are usually not feasible because disputants are sovereign entities. Nevertheless, we find that this limitation is inconsequential. Despite only being capable of making unenforceable recommendations, mediators can be equally effective as arbitrators. By using recommendation strategies that do not reveal that one player is weak to a strong opponent, a mediator can effectively circumvent the unenforceability constraint. This is because these strategies make the strong player agree to recommendations that yield the same payoff as arbitration in expectation. This result relies on the capability of mediators to collect confidential information from the disputants, before making their recommendations. Simple protocols of unmediated communication cannot achieve the same level of ex ante welfare, as they preclude confidentiality.

DOI
10.1093/restud/rdv022
Volume
82
Issue
4
Pages
1483-1501
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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