Using a stochastic sequential game in ergodic equilibrium, this paper models limit order book trading dynamics. It deduces investor surplus and some agents' strategies from depth's stationarity, while bypassing altogether agents' intricate forecasting problems. Market inefficiency adjusts to induce equal supply and demand for liquidity over time. Consequently, at a given bid-ask spread surplus per investor is invariant to faster, more regular or more sophisticated trading, or modified queuing rules: apparent improvements are offset as inefficiency adjusts back to market-clearing levels. Moreover, investor surplus decreases with the spread. In the model, price discreteness fixes the spread at the tick size. Narrowing the tick is beneficial, but may be resisted by sell-side traders.
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Paper provided by Economics Group, Nuffield College, University of Oxford in its series Economics Papers with number
2006-W08.
Find related papers by JEL classification: C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies G24 - Financial Economics - - Financial Institutions and Services - - - Investment Banking; Venture Capital; Brokerage
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Darrell Duffie & Nicolae Garleanu & Lasse Heje Pedersen, 2004.
"Over-the-Counter Markets,"
NBER Working Papers
10816, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)
Other versions:
Handa, Puneet & Schwartz, Robert A, 1996.
" Limit Order Trading,"
Journal of Finance,
American Finance Association, vol. 51(5), pages 1835-61, December.
[Downloadable!] (restricted)