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Speculative Attacks with Multiple Sources of Public Information

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Author Info
Camille Cornand
Frank Heinemann

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Abstract

We propose a speculative attack model in which agents receive multiple public signals. Diverse pieces of public information can be taken into account differently by different players and are likely to lead to different appreciations "ex post". This process defines players' expected private values of a successful attack. The main result shows that equilibrium uniqueness depends on two conditions: (i) signals are sufficiently dispersed and (ii) private beliefs about signals' relative precision differ sufficiently. We derive some implications for information dissemination policy. Transparency in this context is multidimensional: it concerns the publicity of announcements, the number of signals disclosed and their precision. Copyright © The editors of the "Scandinavian Journal of Economics" 2009 .

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File URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j.1467-9442.2008.01555.x
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Publisher Info
Article provided by Blackwell Publishing in its journal Scandinavian Journal of Economics.

Volume (Year): 111 (2009)
Issue (Month): 1 (03)
Pages: 73-102
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Handle: RePEc:bla:scandj:v:111:y:2009:i:1:p:73-102

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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. Hellwig, Christian, 2002. "Public Information, Private Information, and the Multiplicity of Equilibria in Coordination Games," Journal of Economic Theory, Elsevier, vol. 107(2), pages 191-222, December. [Downloadable!] (restricted)
  2. Heinemann, Frank & Illing, Gerhard, 2002. "Speculative attacks: unique equilibrium and transparency," Journal of International Economics, Elsevier, vol. 58(2), pages 429-450, December. [Downloadable!] (restricted)
  3. Morris, S & Song Shin, H, 1996. "Unique Equilibrium in a Model of Self-Fulfilling Currency Attacks," Economics Papers 126, Economics Group, Nuffield College, University of Oxford.
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  4. Stephen Morris & Hyun S Shin, 2001. "Global Games: Theory and Applications," Levine's Working Paper Archive 122247000000001080, David K. Levine. [Downloadable!]
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  5. Jutta Dönges & Frank Heinemann, 2001. "Competition for Order Flow as a Coordination Game," Working Paper Series: Finance and Accounting 64, Department of Finance, Goethe University Frankfurt am Main. [Downloadable!]
  6. Maurice Obstfeld, 1986. "Rational and Self-Fulfilling Balance-of-Payments Crises," NBER Working Papers 1486, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  7. Obstfeld, Maurice, 1996. "Models of currency crises with self-fulfilling features," European Economic Review, Elsevier, vol. 40(3-5), pages 1037-1047, April. [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. Jean-Pierre Allegret & Camille Cornand, 2005. "The Pros and Cons of Higher Transparency: The Case of Speculative Attacks," Working Papers 0502, Groupe d'Analyse et de Théorie Economique (GATE), Centre national de la recherche scientifique (CNRS), Université Lyon 2, Ecole Normale Supérieure. [Downloadable!]
  2. Jean-Marc Tallon, 2006. "Incertitude stratégique et sélection d'équilibre : deux applications," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00177058_v1, HAL. [Downloadable!]
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This page was last updated on 2009-11-22.

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