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Minimum Price Variations, Time Priority and Quotes Dynamics

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Author Info
Tito Cordella
Thierry Foucault

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Abstract

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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Publisher Info
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

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Related research
Keywords: Market--microstructure; tick size; time priority; quotes formation; trading costs;

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Find related papers by JEL classification:
G19 - Financial Economics - - General Financial Markets - - - Other
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection

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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!]
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  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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