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Equilibrium in a dynamic limit order market

  • ronald l goettler
  • christine a parlour
  • uday rajan
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    We provide an algorithm for solving for equilibrium in a dynamic limit order market. Our model relaxes many of the restrictive assumptions in the prior literature, leading to a more realistic framework for policy experiments on market design. We formulate a limit order market as a stochastic sequential game and use a simulation technique based on Pakes and McGuire (2001) to find a stationary equilibrium. Given the stationary equilibrium, we generate artificial time series and perform comparative dynamics. We explicitly determine investor welfare in our numerical solution. We find that the effective spread is {\it negatively} correlated with transactions costs and uncorrelated with welfare. As one policy experiment, we evaluate the effect of changing tick size.

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    Paper provided by Carnegie Mellon University, Tepper School of Business in its series GSIA Working Papers with number 2003-E23.

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    Date of creation: Oct 2003
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    Handle: RePEc:cmu:gsiawp:-1344101852
    Contact details of provider: Postal: Tepper School of Business, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213-3890
    Web page: http://www.tepper.cmu.edu/

    Order Information: Web: http://student-3k.tepper.cmu.edu/gsiadoc/GSIA_WP.asp

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