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Equilibrium in a market with intermediation is Walrasian

Author

Listed:
  • John Wooders

    (Department of Economics, University of Arizona, McClelland Hall, Tucson, AZ 85721, USA)

Abstract

We show that a profit maximizing monopolistic intermediary may behave approximately like a Walrasian auctioneer by setting bid and ask prices nearly equal to Walrasian equilibrium prices. In our model agents choose to trade either through the intermediary or privately. Buyers (sellers) trading through the intermediary potentially trade immediately at the ask (bid) price, but sacrifice the spread as gains. A buyer or seller who trades privately shares all the gains to trade with this trading partner, but risks costly delay in finding a partner. We show that as the cost of delay vanishes, the equilibrium bid and ask prices converge to the Walrasian equilibrium prices.

Suggested Citation

  • John Wooders, 1997. "Equilibrium in a market with intermediation is Walrasian," Review of Economic Design, Springer;Society for Economic Design, vol. 3(1), pages 75-89.
    • Handle: RePEc:spr:reecde:v:3:y:1997:i:1:p:75-89
    Note: Received: 2 February 1996 / Accepted: 28 March 1997
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    Cited by:

    1. Simon Loertscher & Andras Niedermayer, 2008. "Fee Setting Intermediaries: On Real Estate Agents, Stock Brokers, and Auction Houses," Discussion Papers 1472, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
    2. Michael Sattinger, 2003. "Price Dynamics and the Market for Access to Trading Partners," Discussion Papers 03-10, University at Albany, SUNY, Department of Economics.
    3. Nadia Burani, 2008. "Matching, search and intermediation with two-sided heterogeneity," Review of Economic Design, Springer;Society for Economic Design, vol. 12(2), pages 75-117, June.
    4. Johanna Kangas & Markku Ollikainen, 2023. "Behavioural and Welfare Analysis of an Intermediary in Biodiversity Offset Markets," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 84(4), pages 1127-1154, April.
    5. Nadia Burani & Clara Ponsati, 2011. "Countervailing power? Collusion in markets with decentralized trade," Review of Economic Design, Springer;Society for Economic Design, vol. 15(2), pages 91-120, June.

    More about this item

    Keywords

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    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
    • L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies

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