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Bubbles, Banks, and Financial Stability

  • Kosuke Aoki

    (University of Tokyo (email: kaoki@e.u-tokyo.ac.jp))

  • Kalin Nikolov

    (European Central Bank(email: kalin.nikolov@ecb.int))

This paper asks two main questions: (1) What makes some asset price bubbles more costly for the real economy than others? and (2)When do costly bubbles occur? We construct a model of rational bubbles under credit frictions and show that when bubbles held by banks burst this is followed by a costly financial crisis. In contrast, bubbles held by ordinary savers have relatively muted effects. Banks tend to invest in bubbles when financial liberalisation decreases their profitability.

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File URL: http://www.imes.boj.or.jp/research/papers/english/11-E-24.pdf
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Paper provided by Institute for Monetary and Economic Studies, Bank of Japan in its series IMES Discussion Paper Series with number 11-E-24.

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Date of creation: Sep 2011
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Handle: RePEc:ime:imedps:11-e-24
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  1. Nikolov, Kalin, 2011. "A model of borrower reputation as intangible collateral," MPRA Paper 32939, University Library of Munich, Germany.
  2. Martin, Alberto & Ventura, Jaume, 2010. "Theoretical Notes on Bubbles and the Current Crisis," CEPR Discussion Papers 8038, C.E.P.R. Discussion Papers.
  3. Chad Syverson, 2004. "Market Structure and Productivity: A Concrete Example," Journal of Political Economy, University of Chicago Press, vol. 112(6), pages 1181-1222, December.
  4. Francisco Covas & Wouter J. Den Haan, 2011. "The Cyclical Behavior of Debt and Equity Finance," American Economic Review, American Economic Association, vol. 101(2), pages 877-99, April.
  5. Jaume Ventura, 2002. "Bubbles and capital flows," Economics Working Papers 846, Department of Economics and Business, Universitat Pompeu Fabra, revised Mar 2010.
  6. Carmen M. Reinhart & Kenneth S. Rogoff, 2008. "This Time is Different: A Panoramic View of Eight Centuries of Financial Crises," NBER Working Papers 13882, National Bureau of Economic Research, Inc.
  7. Meh, Césaire A. & Moran, Kevin, 2010. "The role of bank capital in the propagation of shocks," Journal of Economic Dynamics and Control, Elsevier, vol. 34(3), pages 555-576, March.
  8. Caballero, Ricardo J. & Krishnamurthy, Arvind, 2006. "Bubbles and capital flow volatility: Causes and risk management," Journal of Monetary Economics, Elsevier, vol. 53(1), pages 35-53, January.
  9. Ivo Welch, 2004. "Capital Structure and Stock Returns," Journal of Political Economy, University of Chicago Press, vol. 112(1), pages 106-131, February.
  10. Andrew B. Bernard & Jonathan Eaton & J. Bradford Jenson & Samuel Kortum, 2000. "Plants and Productivity in International Trade," NBER Working Papers 7688, National Bureau of Economic Research, Inc.
  11. Farhi, Emmanuel & Tirole, Jean, 2009. "Bubbly Liquidity," IDEI Working Papers 577, Institut d'Économie Industrielle (IDEI), Toulouse, revised Feb 2011.
  12. Philip Lowe & Claudio Borio, 2002. "Asset prices, financial and monetary stability: exploring the nexus," BIS Working Papers 114, Bank for International Settlements.
  13. Roberto Motto & Massimo Rostagno & Lawrence J. Christiano, 2010. "Financial Factors in Economic Fluctuations," 2010 Meeting Papers 141, Society for Economic Dynamics.
  14. John Moore & Nobuhiro Kiyotaki, . "Credit Cycles," Discussion Papers 1995-5, Edinburgh School of Economics, University of Edinburgh.
  15. Kareken, John H & Wallace, Neil, 1978. "Deposit Insurance and Bank Regulation: A Partial-Equilibrium Exposition," The Journal of Business, University of Chicago Press, vol. 51(3), pages 413-38, July.
  16. John H. Boyd & Gianni De Nicoló & Abu M. Jalal, 2009. "Bank Competition, Risk and Asset Allocations," IMF Working Papers 09/143, International Monetary Fund.
  17. Gertler, Mark & Karadi, Peter, 2011. "A model of unconventional monetary policy," Journal of Monetary Economics, Elsevier, vol. 58(1), pages 17-34, January.
  18. Alessi, Lucia & Detken, Carsten, 2009. "'Real time'early warning indicators for costly asset price boom/bust cycles: a role for global liquidity," Working Paper Series 1039, European Central Bank.
  19. Aoki, Kosuke & Benigno, Gianluca & Kiyotaki, Nobuhiro, 2010. "Adjusting to Capital Account Liberalization," CEPR Discussion Papers 8087, C.E.P.R. Discussion Papers.
  20. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
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