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Theoretical notes on bubbles and the current crisis

  • Martin, Alberto
  • Ventura, Jaume

We explore a view of the crisis as a shock to investor sentiment that led to the collapse of a bubble or pyramid scheme in financial markets. We embed this view in a standard model of the financial accelerator and explore its empirical and policy implications. In particular, we show how the model can account for: (i) a gradual and protracted expansionary phase followed by a sudden and sharp recession; (ii) the connection (or lack of connection!) between financial and real economic activity and; (iii) a fast and strong transmission of shocks across countries. We also use the model to explore the role of fiscal policy. JEL Classification: E32, E44, G01, O40

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Paper provided by European Central Bank in its series Working Paper Series with number 1348.

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Date of creation: Jun 2011
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Handle: RePEc:ecb:ecbwps:20111348
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  1. Aart Kraay & Jaume Ventura, 2005. "The Dot-Com Bubble, the Busch Deficits and the US Current Account," Working Papers 216, Barcelona Graduate School of Economics.
  2. Ventura, Jaume, 2002. "Bubbles and Capital Flows," CEPR Discussion Papers 3657, C.E.P.R. Discussion Papers.
  3. Caballero, Ricardo & Farhi, Emmanuel & Gourinchas, Pierre-Olivier, 2008. "Financial Crash, Commodity Prices and Global Imbalances," CEPR Discussion Papers 7064, C.E.P.R. Discussion Papers.
  4. Carlstrom, Charles T & Fuerst, Timothy S, 1997. "Agency Costs, Net Worth, and Business Fluctuations: A Computable General Equilibrium Analysis," American Economic Review, American Economic Association, vol. 87(5), pages 893-910, December.
  5. Paul A. Samuelson, 1958. "An Exact Consumption-Loan Model of Interest with or without the Social Contrivance of Money," Journal of Political Economy, University of Chicago Press, vol. 66, pages 467.
  6. Alberto Martin & Jaume Ventura, 2012. "Economic Growth with Bubbles," American Economic Review, American Economic Association, vol. 102(6), pages 3033-58, October.
  7. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
  8. Grossman, Gene M. & Yanagawa, Noriyuki, 1993. "Asset bubbles and endogenous growth," Journal of Monetary Economics, Elsevier, vol. 31(1), pages 3-19, February.
  9. Saint-Paul, Gilles, 1992. "Fiscal Policy in an Endogenous Growth Model," The Quarterly Journal of Economics, MIT Press, vol. 107(4), pages 1243-59, November.
  10. Nobuhiro Kiyotaki & John Moore, 1995. "Credit Cycles," NBER Working Papers 5083, National Bureau of Economic Research, Inc.
  11. King, Ian & Ferguson, Don, 1993. "Dynamic inefficiency, endogenous growth, and Ponzi games," Journal of Monetary Economics, Elsevier, vol. 32(1), pages 79-104, August.
  12. 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.
  13. Azariadis Costas & Smith Bruce D., 1993. "Adverse Selection in the Overlapping Generations Model: The Case of Pure Exchange," Journal of Economic Theory, Elsevier, vol. 60(2), pages 277-305, August.
  14. Jesús Fernández-Villaverde & Lee Ohanian, 2010. "The Spanish Crisis from a Global Perspective," Working Papers 2010-03, FEDEA.
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