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Bid-Ask Price Competition with Asymmetric Information between Market Makers

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  • Calcagno, Riccardo

    (UNIVERSITE CATHOLIQUE DE LOUVAIN, Institut de Recherches Economiques et Sociales (IRES); UNIVERSITE CATHOLIQUE DE LOUVAIN, Center for Operations Research and Econometrics (CORE))

  • Lovo, Stefano M.

    (UNIVERSITE CATHOLIQUE DE LOUVAIN, Center for Operations Research and Econometrics (CORE))

Abstract

We consider the effect of asymmetric information on price formation process in a financial market where private information is held by a market maker. A model is presented where two market makers with two different information partitions compete in prices. At each stage a bid-ask auction between the market makers occur, and the winner trades the asset against liquidity traders. We show that equilibrium prices do not convey all the information present in the market until the last stage. Moreover, we characterize a set of partially revealing equilibria where the informed market maker's prices do not convey his private information. Informed player's expected equilibrium payoffs depends on the beliefs of the market at the beginning of the game.

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Bibliographic Info

Paper provided by Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES) in its series Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) with number 1998012.

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Length: 16
Date of creation: 01 May 1998
Date of revision:
Handle: RePEc:ctl:louvir:1998012

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Keywords: bid-ask prices; asymmetric information; repeated auction; insider trading;

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Cited by:
  1. LOVO, Stefano M. & CALCAGNO, R., 2001. "Market efficiency and Price Formation when Dealers are Asymmetrically Informed," Les Cahiers de Recherche 737, HEC Paris.
  2. Calcagno, R. & Lovo, S.M., 2002. "Market Efficiency and Price Formation When Dealers are Asymmetrically Informed," Discussion Paper 2002-42, Tilburg University, Center for Economic Research.
  3. Hadiza Moussa Saley & Bernard De Meyer, 2003. "On the strategic origin of Brownian motion in finance," International Journal of Game Theory, Springer, vol. 31(2), pages 285-319.
  4. Shino Takayama, 2013. "Price Manipulation, Dynamic Informed Trading and Tame Equilibria: Theory and Computation," Discussion Papers Series 492, School of Economics, University of Queensland, Australia.
  5. Bruce Mizrach, 2008. "The next tick on Nasdaq," Quantitative Finance, Taylor & Francis Journals, vol. 8(1), pages 19-40.
  6. Attilio Gardini & Giuseppe Cavaliere & Michele Costa, 1999. "A new approach to stock price modelling and the efficiency of the Italian stock exchange," Statistical Methods and Applications, Springer, vol. 8(1), pages 25-47, April.
  7. Schweinzer, Paul, 2006. "Sequential bargaining with pure common values," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 137, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.

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