Strategic Behavior and Price Discovery
AbstractThe paper analyzes the effects of strategic behavior by an insider in a price discovery process, akin to an information tdtonnement, in the presence of a competitive informed sector. Such processes are used in the preopening period of continuous trading systems in several exchanges. It is found that the insider manipulates the market using a contrarian strategy in order to neutralize the effect of the trades of competitive informed agents. Furthermore, consistently with the empirical evidence available, we find that information revelation accelerates close to the opening, that the market price does not converge to the fundamental value no matter how many rounds the tatonnement has, and that the expected trading volume displays a U-shaped pattern. We also find that a market with a larger competitive sector (smaller insider) has an improved informational efficiency and an increased trading volume. The insider provides a public good (a lower informativeness of the price) for the competitive informed sector.
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Bibliographic InfoPaper provided by Harvard - Institute of Economic Research in its series Harvard Institute of Economic Research Working Papers with number 1825.
Date of creation: 1998
Date of revision:
Other versions of this item:
- Medrano, Luis Angel & Vives, Xavier, 1997. "Strategic Behaviour and Price Discovery," CEPR Discussion Papers 1768, C.E.P.R. Discussion Papers.
- Luis A. Medrano & Xavier Vives, 1997. "Strategic behavior and price discovery," Economics Working Papers 238, Department of Economics and Business, Universitat Pompeu Fabra.
- D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
- G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
- G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
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- Barclay, Michael J. & Hendershott, Terrence, 2008. "A comparison of trading and non-trading mechanisms for price discovery," Journal of Empirical Finance, Elsevier, vol. 15(5), pages 839-849, December.
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- Ryan Davies, 2000. "Registered trader participation during the Toronto Stock Exchange's pre-opening session," Working Papers 997, Queen's University, Department of Economics.
- Sandro Brusco & Carolina Manzano & Mikel Tapia, 2003. "Price Discovery In The Pre-Opening Period. Theory And Evidence From The Madrid Stock Exchange," Business Economics Working Papers wb035814, Universidad Carlos III, Departamento de Economía de la Empresa.
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- Werner Stanzl & Gur Huberman, 2000. "Arbitrage-Free Price-Update and Price-Impact Functions," Yale School of Management Working Papers ysm164, Yale School of Management, revised 01 Jan 2001.
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