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A comparison of stock market mechanisms

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  • Giovanni Cespa

Abstract

I analyze a multi-asset market under two trading mechanisms. In the first (the unrestricted system), traders' demand for each asset depends on all equilibrium prices and prices reflect the information contained in all order flows; in the second (the restricted system), traders' demand depends on the traded asset price and prices reflect single order flow information. I show that informed traders' use of multi-dimensional private information depends on the number of prices they observe, and on the price formation process. I then give conditions rendering the restricted system more efficient than the unrestricted system.

Suggested Citation

  • Giovanni Cespa, 2003. "A comparison of stock market mechanisms," Working Papers 50, Barcelona School of Economics.
    • Handle: RePEc:bge:wpaper:50
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    References listed on IDEAS

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    1. Cespa, Giovanni, 2002. "Short-term investment and equilibrium multiplicity," European Economic Review, Elsevier, vol. 46(9), pages 1645-1670, October.
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    23. Wohl, Avi & Kandel, Shmuel, 1997. "Implications of an Index-Contingent Trading Mechanism," The Journal of Business, University of Chicago Press, vol. 70(4), pages 471-488, October.
    24. Admati, Anat R, 1985. "A Noisy Rational Expectations Equilibrium for Multi-asset Securities Markets," Econometrica, Econometric Society, vol. 53(3), pages 629-657, May.
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    Cited by:

    1. Eric Budish & Peter Cramton & Albert S. Kyle & Jeongmin Lee & David Malec, 2022. "Flow Trading," ECONtribute Discussion Papers Series 146, University of Bonn and University of Cologne, Germany.
      • Eric Budish & Peter Cramton & Albert S. Kyle & Jeongmin Lee & David Malec, 2023. "Flow Trading," NBER Working Papers 31098, National Bureau of Economic Research, Inc.
    2. Schellhorn, Henry, 2011. "A trading mechanism contingent on several indices," European Journal of Operational Research, Elsevier, vol. 213(3), pages 551-558, September.
    3. Foucault, Thierry & Cespa, Giovanni, 2011. "Learning from Prices, Liquidity Spillovers, and Market Segmentation," CEPR Discussion Papers 8350, C.E.P.R. Discussion Papers.
    4. Giovanni Cespa, 2005. "Giffen goods and market making," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 25(4), pages 983-997, June.
    5. Marzena Rostek & Ji Hee Yoon, 2021. "Exchange Design and Efficiency," Econometrica, Econometric Society, vol. 89(6), pages 2887-2928, November.
    6. Giovanni Cespa, 2008. "Information Sales and Insider Trading with Long‐Lived Information," Journal of Finance, American Finance Association, vol. 63(2), pages 639-672, April.
    7. Bossaerts, Peter & Fine, Leslie & Ledyard, John, 2002. "Inducing liquidity in thin financial markets through combined-value trading mechanisms," European Economic Review, Elsevier, vol. 46(9), pages 1671-1695, October.

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    More about this item

    Keywords

    Market microstructure; trading mechanisms; asset pricing; information and market efficiency;
    All these keywords.

    JEL classification:

    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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