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On bargaining partner selection when communication is restricted

Listed author(s):
  • Antoni Calvó-Armengol


    (Department of Economics, Universidad Carlos III, C/Madrid 126, 28903 Getafe , Spain and CERAS-ENPC, 28 rue des Saints-Pères, 75007 Paris, France)

This paper analyzes the optimal selection of a bargaining partner when communication among players is restricted by an exogenously given graph. If players are equally patient, bargaining agreements are immune to players' locations, and the selection of a bargaining partner is not an issue. In contrast, when players differ in their discount factors, both location and impatience matter for bilateral agreements and partner selection becomes an issue. We show that selecting the most impatient neighbor is an equilibrium strategy whenever two players having a common neighbor share their most impatient neighbor. This condition is always satisfied by stratified graphs with no more than three strata. In the absence of this condition, cyclically-stratified graphs with no more than three strata also admit this equilibrium selection rule.

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Article provided by Springer & Game Theory Society in its journal International Journal of Game Theory.

Volume (Year): 30 (2002)
Issue (Month): 4 ()
Pages: 503-515

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Handle: RePEc:spr:jogath:v:30:y:2002:i:4:p:503-515
Note: Received: November 2000/Final version: January 2002
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