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Market efficiency and Price Formation when Dealers are Asymmetrically Informed

  • LOVO, Stefano M.
  • CALCAGNO, R.

    (Tilburg University)

We consider the effect of asymmetric information on price formation process in a quote-driven market where one market maker receives a private signal on the security's fundamental. A model is presented where market makers repeatedly compete in prices: at each stage a bid-ask auction occurs and the winner trades the security against liquidity traders. We show that at equilibrium the market is not strong-form efficient until the last stage. We characterize a reputational equilibrium in which the informed market maker will aspect market beliefs, possibly misleading them, in the sense that he will push the uninformed participants to think the value of the risky asset is different from the realized one. At this equilibrium a price leadership effect arises, quotes are never equal to the expected value of the asset given the public information, the informed market maker expected payoff is positive and the information revelation speed is slower than in an analogous order-driven market.

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Paper provided by HEC Paris in its series Les Cahiers de Recherche with number 737.

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Length: 42 pages
Date of creation: 16 Nov 2001
Date of revision:
Handle: RePEc:ebg:heccah:0737
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  1. Bikhchandani, Sushil, 1988. "Reputation in repeated second-price auctions," Journal of Economic Theory, Elsevier, vol. 46(1), pages 97-119, October.
  2. Albert S. Kyle, 1989. "Informed Speculation with Imperfect Competition," Review of Economic Studies, Oxford University Press, vol. 56(3), pages 317-355.
  3. Holden, Craig W & Subrahmanyam, Avanidhar, 1992. " Long-Lived Private Information and Imperfect Competition," Journal of Finance, American Finance Association, vol. 47(1), pages 247-70, March.
  4. Cordella, Tito & Foucault, Thierry, 1999. "Minimum Price Variations, Time Priority, and Quote Dynamics," Journal of Financial Intermediation, Elsevier, vol. 8(3), pages 141-173, July.
  5. Glosten, Lawrence R. & Milgrom, Paul R., 1985. "Bid, ask and transaction prices in a specialist market with heterogeneously informed traders," Journal of Financial Economics, Elsevier, vol. 14(1), pages 71-100, March.
  6. Schwert, G. William, 1997. "Symposium on market microstructure: Focus on Nasdaq," Journal of Financial Economics, Elsevier, vol. 45(1), pages 3-8, July.
  7. de Jong, Frank & Mahieu, Ronald J & Schotman, Peter C, 1999. "Price Discovery on Foreign Exchange Markets," CEPR Discussion Papers 2296, C.E.P.R. Discussion Papers.
  8. Grossman, Sanford J & Stiglitz, Joseph E, 1980. "On the Impossibility of Informationally Efficient Markets," American Economic Review, American Economic Association, vol. 70(3), pages 393-408, June.
  9. Calcagno, Riccardo & Lovo, Stefano M., 1998. "Bid-Ask Price Competition with Asymmetric Information between Market Makers," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 1998012, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
  10. Gould, John P & Verrecchia, Robert E, 1985. "The Information Content of Specialist Pricing," Journal of Political Economy, University of Chicago Press, vol. 93(1), pages 66-83, February.
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  12. Giuseppe Moscarini & Marco Ottaviani, 1998. "Price Competition for an Informed Buyer," Cowles Foundation Discussion Papers 1199, Cowles Foundation for Research in Economics, Yale University.
  13. repec:adr:anecst:y:2000:i:60:p:01 is not listed on IDEAS
  14. Harsanyi, John C., 1994. "Games with Incomplete Information," Nobel Prize in Economics documents 1994-1, Nobel Prize Committee.
  15. David Kreps & Robert Wilson, 1998. "Sequential Equilibria," Levine's Working Paper Archive 237, David K. Levine.
  16. Demsetz, Harold, 1997. "Limit orders and the alleged Nasdaq collusion," Journal of Financial Economics, Elsevier, vol. 45(1), pages 91-95, July.
  17. Engelbrecht-Wiggans, Richard & Milgrom, Paul R. & Weber, Robert J., 1983. "Competitive bidding and proprietary information," Journal of Mathematical Economics, Elsevier, vol. 11(2), pages 161-169, April.
  18. Kyle, Albert S, 1985. "Continuous Auctions and Insider Trading," Econometrica, Econometric Society, vol. 53(6), pages 1315-35, November.
  19. Mertens,Jean-François & Sorin,Sylvain & Zamir,Shmuel, 2015. "Repeated Games," Cambridge Books, Cambridge University Press, number 9781107662636, Junio.
    • Mertens,Jean-François & Sorin,Sylvain & Zamir,Shmuel, 2015. "Repeated Games," Cambridge Books, Cambridge University Press, number 9781107030206, Junio.
  20. Foster, F Douglas & Viswanathan, S, 1996. " Strategic Trading When Agents Forecast the Forecasts of Others," Journal of Finance, American Finance Association, vol. 51(4), pages 1437-78, September.
  21. Foster, F Douglas & Viswanathan, S, 1993. "The Effect of Public Information and Competition on Trading Volume and Price Volatility," Review of Financial Studies, Society for Financial Studies, vol. 6(1), pages 23-56.
  22. Peiers, Bettina, 1997. " Informed Traders, Intervention, and Price Leadership: A Deeper View of the Microstructure of the Foreign Exchange Market," Journal of Finance, American Finance Association, vol. 52(4), pages 1589-1614, September.
  23. Jürgen Dennert, 1993. "Price Competition between Market Makers," Review of Economic Studies, Oxford University Press, vol. 60(3), pages 735-751.
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