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Bubbles and Self-fulfilling Crises

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Author Info
Edouard Challe () (CNRS-CEREG public)
Xavier Ragot

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Abstract

Financial crises are often associated with an endogenous credit reversal followed by a fall in asset prices and serious disruptions in the financial sector. To account for this sequence of events, this paper constructs a model where the excessive risk-taking of portfolio investors leads to a bubble in asset prices (in the spirit of Allen and Gale, 'Bubbles and Crises', Economic Journal, 2000), and where the supply of credit to these investors is endogenous. We show that the interplay between the risk shifting problem and the endogeneity of credit may give rise multiple equilibria associated with di¤erent levels of lending, asset prices, and output. Stochastic equilibria lead, with positive probability, to an ine¢ cient liquidity dry-up at the intermediate date, a market crash, and widespread failures of borrowers. The possibility of multiple equilibria and self-fulfilling crises is showed to be related to the severity of the risk shifting problem in the economy

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Paper provided by Society for Economic Dynamics in its series 2006 Meeting Papers with number 254.

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Date of creation: 03 Dec 2006
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Handle: RePEc:red:sed006:254

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Related research
Keywords: Credit market imperfections; self-fulfilling expectations; financial crises.;

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Find related papers by JEL classification:
G12 - Financial Economics - - General Financial Markets - - - Asset Pricing
G33 - Financial Economics - - Corporate Finance and Governance - - - Bankruptcy; Liquidation

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References listed on IDEAS
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  1. Graciela Laura Kaminsky, 1999. "Currency and Banking Crises - The Early Warnings of Distress," IMF Working Papers 99/178, International Monetary Fund.
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  2. Cooper, Russell & John, Andrew, 1988. "Coordinating Coordination Failures in Keynesian Models," The Quarterly Journal of Economics, MIT Press, vol. 103(3), pages 441-63, August. [Downloadable!] (restricted)
  3. Kaminsky, Graciela L & Reinhart, Carmen M, 1998. "Financial Crises in Asia and Latin America: Then and Now," American Economic Review, American Economic Association, vol. 88(2), pages 444-48, May. [Downloadable!] (restricted)
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  4. Lawrence H. Summers, 2000. "International Financial Crises: Causes, Prevention, and Cures," American Economic Review, American Economic Association, vol. 90(2), pages 1-16, May. [Downloadable!] (restricted)
  5. Allen, Franklin & Gale, Douglas, 1999. "Bubbles, Crises, and Policy," Oxford Review of Economic Policy, Oxford University Press, vol. 15(3), pages 9-18, Autumn.
  6. Franklin Allen & Douglas Gale, 1998. "Optimal Financial Crises," Journal of Finance, American Finance Association, vol. 53(4), pages 1245-1284, 08. [Downloadable!] (restricted)
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  7. Velasco, Andres, 1996. "Fixed exchange rates: Credibility, flexibility and multiplicity," European Economic Review, Elsevier, vol. 40(3-5), pages 1023-1035, April. [Downloadable!] (restricted)
  8. Diamond, Douglas W & Dybvig, Philip H, 1983. "Bank Runs, Deposit Insurance, and Liquidity," Journal of Political Economy, University of Chicago Press, vol. 91(3), pages 401-19, June. [Downloadable!] (restricted)
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  9. Reinhart, Carmen & Kaminsky, Graciela, 1999. "The twin crises: The causes of banking and balance of payments problems," MPRA Paper 14081, University Library of Munich, Germany. [Downloadable!]
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  10. Allen, Franklin & Gale, Douglas, 2000. "Bubbles and Crises," Economic Journal, Royal Economic Society, vol. 110(460), pages 236-55, January. [Downloadable!] (restricted)
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