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Search Brokers


  • Artyom Shneyerov

    (Concordia University, CIREQ and CIRANO)

  • Andras Niedermayer

    (University of Mannheim)


We consider a market with dynamic random matching and bargaining with two-sided private information `a la Satterthwaite and Shneyerov (2007). Traders know their valuation for the good before entering the market and steady state distributions in the market are endogenously determined in equilibrium. The market is organized by a profit maximizing broker. We compare the case where the broker can only charge participation fees to buyers and sellers and can influence neither the matching technology nor the bargaining protocol with two other cases. In the first alternative case, the broker can choose the bargaining protocol, but not the matching. In the second case, he can choose both (fully centralized mechanism). We find that the broker gets the same level of profits in optimum in all three cases. Further, the broker makes sure that the same mass of buyers and sellers enters the market in each period and that buyers and sellers trade immediately after entering. We further find that the ratio of (participation) fees in the fully decentralized setup is equal to the ratio of bargaining weights of the buyer and seller and independent of the elasticities of demand. Further, the price structure (i.e. ratio of fees) matters even if bargaining (or price setting) between buyers and sellers is not restricted by the broker.

Suggested Citation

  • Artyom Shneyerov & Andras Niedermayer, 2011. "Search Brokers," 2011 Meeting Papers 89, Society for Economic Dynamics.
  • Handle: RePEc:red:sed011:89

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    References listed on IDEAS

    1. Mark Satterthwaite & Artyom Shneyerov, 2007. "Dynamic Matching, Two-Sided Incomplete Information, and Participation Costs: Existence and Convergence to Perfect Competition," Econometrica, Econometric Society, vol. 75(1), pages 155-200, January.
    2. Shneyerov, Artyom & Wong, Adam Chi Leung, 2010. "Bilateral matching and bargaining with private information," Games and Economic Behavior, Elsevier, vol. 68(2), pages 748-762, March.
    3. Gehrig, Thomas, 1993. "Intermediation in Search Markets," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 2(1), pages 97-120, Spring.
    4. 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.
    5. Satterthwaite, Mark & Shneyerov, Artyom, 2008. "Convergence to perfect competition of a dynamic matching and bargaining market with two-sided incomplete information and exogenous exit rate," Games and Economic Behavior, Elsevier, vol. 63(2), pages 435-467, July.
    6. Krueger Malte, 2009. "The Elasticity Pricing Rule for Two-sided Markets: A Note," Review of Network Economics, De Gruyter, vol. 8(3), pages 1-8, September.
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