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Minimum Price Variations, Time Priority and Quote Dynamics

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Author Info
Cordella, Tito
Foucault, Thierry

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Abstract

This paper analyses the impact of a minimum price variation (tick) and time priority on the quote dynamics and on trading costs when competition for the order flow is dynamic. It finds that convergence to competitive prices 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. It also shows that a zero minimum price variation is never optimal when competition for the order flow is dynamic. The paper compares the trading outcomes with and without time priority. It shows that, for reasonable parameterizations, time priority reduces trading costs because it prevents equilibria in which uncompetitive spreads can be sustained. Finally, the paper relates (a) the trading costs to the speed with which liquidity suppliers react to their competitors’ offers and (b) the dynamics of the best price in the market to the state of the book.

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Publisher Info
Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 1717.

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Date of creation: Oct 1997
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Handle: RePEc:cpr:ceprdp:1717

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Related research
Keywords: Market-Microstructure; Quote Formation; Tick Size; Time Priority; Trading Costs;

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Find related papers by JEL classification:
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)

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  1. Degryse, H. & Jong, F. de & Ravenswaaij, M. van & Wuyts, G., 2002. "Aggressive orders and the resiliency of a limit order market," Discussion Paper 80, Tilburg University, Center for Economic Research. [Downloadable!]
    Other versions:
  2. Jeremy Large, 2006. "A Market-Clearing Role for Inefficiency on a Limit Order Book," Economics Papers 2006-W08, Economics Group, Nuffield College, University of Oxford. [Downloadable!]
    Other versions:
  3. Pavabutra, Pantisa & Prangwattananon, Sukanya, 2008. "Tick Size Change on the Stock Exchange of Thailand," CEI Working Paper Series 2008-9, Center for Economic Institutions, Institute of Economic Research, Hitotsubashi University. [Downloadable!]
  4. Marianne Demarchi & Thierry Foucault, 2000. "Equity Trading Systems in Europe: A Survey of Recent Changes," Annales d'Economie et de Statistique, ADRES, issue 60, pages 05, Octobre-D. [Downloadable!]
    Other versions:
  5. LOVO, Stefano M. & CALCAGNO, R., 2001. "Market efficiency and Price Formation when Dealers are Asymmetrically Informed," Les Cahiers de Recherche 737, HEC Paris. [Downloadable!]
    Other versions:
  6. Michael A. Goldstein & Kenneth A. Kavajecz, . "Eighths, Sixteenths and Market Depth: Changes in Tick Size and Liquidity Provision on the NYSE," Rodney L. White Center for Financial Research Working Papers 14-98, Wharton School Rodney L. White Center for Financial Research. [Downloadable!]
    Other versions:
  7. Joel Hasbrouck, 1998. "Security Bid/Ask Dynamics with Discreteness and Clustering: Simple Strategies for Modeling and Estimation," New York University, Leonard N. Stern School Finance Department Working Paper Seires 98-042, New York University, Leonard N. Stern School of Business-. [Downloadable!]
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