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Bargaining and delay in trading networks

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  • BEDAYO, Mikel

    ()
    (Université catholique de Louvain, CORE, B-1348 Louvain-la-Neuve, Belgium)

  • MAULEON, Ana

    ()
    (Université catholique de Louvain, CORE, B-1348 Louvain-la-Neuve, Belgium and CEREC, University of Saint-Louis, B-1000 Brussels, Belgium)

  • VANNETELBOSCH, Vincent

    ()
    (Université catholique de Louvain, CORE, B-1348 Louvain-la-Neuve, Belgium and CEREC, University of Saint-Louis, B-1000 Brussels, Belgium)

Abstract

We study a model in which heterogenous agents first form a trading network where link formation is costless. Then, a seller and a buyer are randomly selected among the agents to bargain through a chain of intermediaries. We determine both the trading path and the allocation of the surplus among the seller, the buyer and the intermediaries at equilibrium. We show that a trading network is pairwise stable if and only if it is a core periphery network where the core consists of all weak (or impatient) agents who are linked to each other and the periphery consists of all strong (or patient) agents who have a single link towards a weak agent. Once agents do not know the impatience of the other agents, each bilateral bargaining session may involve delay, but not perpetual disagreement, in equilibrium. When an agent chooses another agent on a path from the buyer to the seller to negotiate bilaterally a partial agreement, her choice now depends both on the type of this other agent and on how much time the succeeding agents on the path will need to reach their partial agreements. We provide sufficient conditions such that core periphery networks are pairwise stable in presence of private information.

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Bibliographic Info

Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 2012046.

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Date of creation: 10 Dec 2012
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Handle: RePEc:cor:louvco:2012046

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Keywords: bargaining; trading networks; private information;

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