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Bilateral Oligopoly

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Author Info

  • Björnerstedt, Jonas

    ()
    (The Research Institute of Industrial Economics)

  • Stennek, Johan

    ()
    (The Research Institute of Industrial Economics)

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    Abstract

    In intermediate goods markets, both buyers and sellers normally have market power, and sales are based on bilaterally negotiated contracts specifying both price and quantity. In our model, pairs of buyers and sellers meet in bilateral but interdependent Rubinstein-Ståhl negotiations. The outcome has a simple characterization (a Nash equilibrium in Nash bargaining solutions) suitable for applied work. Equilibrium quantities are efficient regardless of concentration and also with few “trading links”. The law of one price does not hold. In addition to relation-specific characteristics, prices depend on both upstream and downstream concentration and on the structure of trading links. The requirements necessary for Walrasian prices are stronger than usually believed.

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    Bibliographic Info

    Paper provided by Research Institute of Industrial Economics in its series Working Paper Series with number 555.

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    Length: 42 pages
    Date of creation: 27 Apr 2001
    Date of revision:
    Handle: RePEc:hhs:iuiwop:0555

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    Postal: Research Institute of Industrial Economics, Box 55665, SE-102 15 Stockholm, Sweden
    Phone: +46 8 665 4500
    Fax: +46 8 665 4599
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    Web page: http://www.ifn.se/
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    Related research

    Keywords: Bilageral Oligopoly; Bargaining; Intermediate Goods; Decentralized Trade; Walrasian Outcome;

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    Cited by:
    1. Catherine C. de Fontenay & Joshua S. Gans, 2004. "Vertical Integration in the Presence of Upstream Competition," Department of Economics - Working Papers Series 904, The University of Melbourne.
    2. Suchan Chae & Paul Heidhues, 2003. "Buyers’ Alliances for Bargaining Power," CIG Working Papers SP II 2003-24, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG).
    3. Dobson, Paul W. & Waterson, Michael, 2007. "The competition effects of industry-wide vertical price fixing in bilateral oligopoly," International Journal of Industrial Organization, Elsevier, vol. 25(5), pages 935-962, October.
    4. Biglaiser, Gary & Vettas, Nikolaos, 2004. "Dynamic Price Competition with Capacity Constraints and Strategic Buyers," CEPR Discussion Papers 4315, C.E.P.R. Discussion Papers.
    5. Jim Engle-Warnick & Bradley Ruffle, 2002. "Buyer Countervailing Power versus Monopoly Power: Evidence from Experimental Posted-Offer Markets," Economics Papers 2002-W14, Economics Group, Nuffield College, University of Oxford.
    6. Milliou, Chrysovalantou & Petrakis, Emmanuel & Vettas, Nikolaos, 2003. "Endogenous Contracts Under Bargaining in Competing Vertical Chains," CEPR Discussion Papers 3976, C.E.P.R. Discussion Papers.

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