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Dynamic Speculative Attacks

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Author Info
Christophe Chamley

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Abstract

This paper presents a model of rational Bayesian agents with speculative attacks in a regime of exchange rate which is pegged within a band. Speculators learn from the observation of the exchange rate within the band whether their mass is sufficiently large for a successful attack. Multiple periods are necessary for the existence of speculative attacks. Various defense policies are analyzed. A trading policy by the central bank may defend the peg if it is unobserved and diminishes the market's information for the coordination of speculators.

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Publisher Info
Article provided by American Economic Association in its journal American Economic Review.

Volume (Year): 93 (2003)
Issue (Month): 3 (June)
Pages: 603-621
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Handle: RePEc:aea:aecrev:v:93:y:2003:i:3:p:603-621

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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.:
  1. Gale, Douglas, 1995. "Dynamic Coordination Games," Economic Theory, Springer, vol. 5(1), pages 1-18, January.
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  2. Chamley, Christophe & Gale, Douglas, 1994. "Information Revelation and Strategic Delay in a Model of Investment," Econometrica, Econometric Society, vol. 62(5), pages 1065-85, September. [Downloadable!] (restricted)
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  3. Obstfeld, Maurice, 1996. "Models of Currency Crises with Self-fulfilling Features," CEPR Discussion Papers 1315, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  4. Morris, Stephen & Shin, Hyun Song, 1998. "Unique Equilibrium in a Model of Self-Fulfilling Currency Attacks," American Economic Review, American Economic Association, vol. 88(3), pages 587-97, June. [Downloadable!] (restricted)
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  5. Hellwig, Martin F., 1982. "Rational expectations equilibrium with conditioning on past prices: A mean-variance example," Journal of Economic Theory, Elsevier, vol. 26(2), pages 279-312, April. [Downloadable!] (restricted)
  6. Vives Xavier, 1995. "The Speed of Information Revelation in a Financial Market Mechanism," Journal of Economic Theory, Elsevier, vol. 67(1), pages 178-204, October. [Downloadable!] (restricted)
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  7. Blume, Lawrence & Easley, David & O'Hara, Maureen, 1994. " Market Statistics and Technical Analysis: The Role of Volume," Journal of Finance, American Finance Association, vol. 49(1), pages 153-81, March. [Downloadable!] (restricted)
  8. Guesnerie, Roger, 1992. "An Exploration of the Eductive Justifications of the Rational-Expectations Hypothesis," American Economic Review, American Economic Association, vol. 82(5), pages 1254-78, December. [Downloadable!] (restricted)
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  9. Christophe Chamley, 1999. "Coordinating Regime Switches," The Quarterly Journal of Economics, MIT Press, vol. 114(3), pages 869-905, August. [Downloadable!] (restricted)
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Cited by:
(explanations, 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.)

  1. Yuk-shing CHENG & Chi-shing CHAN & Chor-yiu SIN, 2004. "Currency attack/defense with two-sided private information," Econometric Society 2004 Far Eastern Meetings 395, Econometric Society. [Downloadable!]
  2. Bernardo Guimaraes & Stephen Morris, 2005. "Risk and Wealth in a Model of Self-Fulfilling Currency Attacks," Levine's Bibliography 122247000000000790, UCLA Department of Economics. [Downloadable!]
    Other versions:
  3. Bernardo Guimaraes & Stephen Morris, 2003. "Risk and Wealth in a Model of Self-fulfilling Currency Crises," Cowles Foundation Discussion Papers 1433R, Cowles Foundation, Yale University, revised Oct 2004. [Downloadable!]
    Other versions:
  4. Doyle, Matthew, 2002. "Informational Externalities, Strategic Delay, and the Search for Optimal Policy," Staff General Research Papers 10046, Iowa State University, Department of Economics. [Downloadable!]
  5. Guimarães, Bernardo, 2007. "Currency Crisis Triggers: Sunspots or Thresholds?," CEPR Discussion Papers 6487, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  6. Fernando Broner, 2003. "Discrete Devaluations and Multiple Equilibria in a First Generation Model of Currency Crises," Economics Working Papers 839, Department of Economics and Business, Universitat Pompeu Fabra, revised Jan 2007. [Downloadable!]
    Other versions:
  7. Moheeput, Ashwin, 2008. "Financial Fragility, Systemic Risks and Informational Spillovers : Modelling Banking Contagion as State-Contingent Change in Cross-Bank Correlation," The Warwick Economics Research Paper Series (TWERPS) 853, University of Warwick, Department of Economics. [Downloadable!]
  8. Pastine, Tuvana, 2005. "Social Learning in Continuous Time: When are Informational Cascades More Likely to be Inefficient?," CEPR Discussion Papers 5120, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  9. Amil Dasgupta & Jakub Steiner & Colin Stewart, 2007. "Efficient Dynamic Coordination with Individual Learning," Working Papers tecipa-301, University of Toronto, Department of Economics. [Downloadable!]
    Other versions:
  10. Mei Li & Frank Milne, 2007. "The Role of Large Players in a Dynamic Currency Attack Game," Working Papers 1148, Queen's University, Department of Economics. [Downloadable!]
  11. Jesús Rodríguez López & Hugo Rodríguez Mendizábal, 2003. "How Tight Should Central Bank’s Hands be Tied? Credibility, Volatility and the Optimal Band Width of a Target Zone," Economic Working Papers at Centro de Estudios Andaluces E2003/24, Centro de Estudios Andaluces. [Downloadable!]
  12. Jay Surti, 2004. "Rational Speculation, Financial Crises, and Optimal Policy Responses," IMF Working Papers 04/25, International Monetary Fund. [Downloadable!]
  13. Celine Rochon, 2006. "Devaluation without common knowledge," OFRC Working Papers Series 2006fe03, Oxford Financial Research Centre. [Downloadable!]
  14. Christian Hellwig, 2004. "Dynamic Global Games of Regime Change: Learning, Multiplicity and Timing of Attacks (August 2006, with George-Marios Angeletos and Alessandro Pavan)," UCLA Economics Online Papers 279, UCLA Department of Economics. [Downloadable!]
  15. Jesús Rodríguez López & Hugo Rodríguez Mendizábal, 2006. "How tight should one's hands be tied? Fear of floating and credibility of exchange regimes," Working Papers 06.03, Universidad Pablo de Olavide, Departamento de Economía. [Downloadable!]
  16. Jesus Rodriguez Lopez & Hugo Rodriguez Mendizabal, 2003. "How tight should one's hands be tied? Fear of floating and credibility of exchange rate regimes," UFAE and IAE Working Papers 593.03, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC). [Downloadable!]
  17. Vladimir Smirnov & Andrew Wait, 2004. "Industry sunk costs and entry dynamics," Economics Bulletin, Economics Bulletin, vol. 12(4), pages 1-7. [Downloadable!]
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