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Minimum price variations, time priority and quotes dynamics

  • Tito Cordella
  • Thierry Foucault

We analyze the impact of a minimum price variation (tick) and time priority on the dynamics of quotes and the trading costs when competition for the order flow is dynamic. We find that convergence to competitive outcomes can take time and that the speed of convergence is influenced by the tick size, the priority rule and the characteristics of the order arrival process. We show also that a zero minimum price variation is never optimal when competition for the order flow is dynamic. We compare the trading outcomes with and without time priority. Time priority is shown to guarantee that uncompetitive spreads cannot be sustained over time. However it can sometimes result in higher trading costs. Empirical implications are proposed. In particular, we relate the size of the trading costs to the frequency of new offers and the dynamics of the inside spread to the state of the book.

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File URL: http://www.econ.upf.edu/docs/papers/downloads/182.pdf
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Paper provided by Department of Economics and Business, Universitat Pompeu Fabra in its series Economics Working Papers with number 182.

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Date of creation: Sep 1996
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Handle: RePEc:upf:upfgen:182
Contact details of provider: Web page: http://www.econ.upf.edu/

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  1. Ahn, Hee-Joon & Cao, Charles Q. & Choe, Hyuk, 1996. "Tick Size, Spread, and Volume," Journal of Financial Intermediation, Elsevier, vol. 5(1), pages 2-22, January.
  2. Domowitz, Ian, 1993. "A taxonomy of automated trade execution systems," Journal of International Money and Finance, Elsevier, vol. 12(6), pages 607-631, December.
  3. Biais, Bruno & Hillion, Pierre & Spatt, Chester, 1995. " An Empirical Analysis of the Limit Order Book and the Order Flow in the Paris Bourse," Journal of Finance, American Finance Association, vol. 50(5), pages 1655-89, December.
  4. Bernhardt, Dan & Hughson, Eric, 1996. "Discrete Pricing and the Design of Dealership Markets," Journal of Economic Theory, Elsevier, vol. 71(1), pages 148-182, October.
  5. Angel, James J, 1997. " Tick Size, Share Prices, and Stock Splits," Journal of Finance, American Finance Association, vol. 52(2), pages 655-81, June.
  6. Garman, Mark B., 1976. "Market microstructure," Journal of Financial Economics, Elsevier, vol. 3(3), pages 257-275, June.
  7. Bacidore, Jeffrey M., 1997. "The Impact of Decimalization on Market Quality: An Empirical Investigation of the Toronto Stock Exchange," Journal of Financial Intermediation, Elsevier, vol. 6(2), pages 92-120, April.
  8. Chordia, Tarun & Subrahmanyam, Avanidhar, 1995. "Market Making, the Tick Size, and Payment-for-Order Flow: Theory and Evidence," The Journal of Business, University of Chicago Press, vol. 68(4), pages 543-75, October.
  9. Anshuman, V Ravi & Kalay, Avner, 1998. "Market Making with Discrete Prices," Review of Financial Studies, Society for Financial Studies, vol. 11(1), pages 81-109.
  10. Easley, David, et al, 1996. " Liquidity, Information, and Infrequently Traded Stocks," Journal of Finance, American Finance Association, vol. 51(4), pages 1405-36, September.
  11. Maskin, Eric & Tirole, Jean, 1988. "A Theory of Dynamic Oligopoly, II: Price Competition, Kinked Demand Curves, and Edgeworth Cycles," Econometrica, Econometric Society, vol. 56(3), pages 571-99, May.
  12. Dutta, Prajit K & Madhavan, Ananth, 1997. " Competition and Collusion in Dealer Markets," Journal of Finance, American Finance Association, vol. 52(1), pages 245-76, March.
  13. Kandel, Eugene & Marx, Leslie M., 1997. "Nasdaq market structure and spread patterns," Journal of Financial Economics, Elsevier, vol. 45(1), pages 61-89, July.
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