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Theoretical Notes on Bubbles and the Current Crisis

  • Alberto Martin and Jaume Ventura

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 andsharprecession; (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.

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Paper provided by Barcelona Graduate School of Economics in its series Working Papers with number 519.

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Date of creation: Nov 2010
Date of revision:
Handle: RePEc:bge:wpaper:519
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  1. Ricardo J. Caballero & Arvind Krishnamurthy, 2005. "Bubbles and Capital Flow Volatility: Causes and Risk Management," NBER Working Papers 11618, National Bureau of Economic Research, Inc.
  2. 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.
  3. King, Ian & Ferguson, Don, 1993. "Dynamic inefficiency, endogenous growth, and Ponzi games," Journal of Monetary Economics, Elsevier, vol. 32(1), pages 79-104, August.
  4. Aart Kraay & Jaume Ventura, 2005. "The Dot-Com Bubble the Bush Deficits, and the U.S. Current Account," NBER Working Papers 11543, National Bureau of Economic Research, Inc.
  5. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
  6. 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.
  7. Jaume Ventura, 2002. "Bubbles and capital flows," Economics Working Papers 846, Department of Economics and Business, Universitat Pompeu Fabra, revised Mar 2010.
  8. Alberto Martin & Jaume Ventura, 2012. "Economic Growth with Bubbles," American Economic Review, American Economic Association, vol. 102(6), pages 3033-58, October.
  9. Grossman, G.M. & Yanagawa, N., 1992. "Asset Bubbles and Endogenous Growth," Papers 160, Princeton, Woodrow Wilson School - Public and International Affairs.
  10. repec:oup:qjecon:v:107:y:1992:i:4:p:1243-59 is not listed on IDEAS
  11. Kiyotaki, Nobuhiro & Moore, John, 1997. "Credit Cycles," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 211-48, April.
  12. Emmanuel Farhi & Ricardo Caballero & Pierre-Olivier Gourinchas, . "Financial Crash, Commodity Prices and Global Imbalances," Working Paper 20933, Harvard University OpenScholar.
  13. Jesús Fernández-Villaverde & Lee Ohanian, 2010. "The Spanish Crisis from a Global Perspective," Working Papers 2010-03, FEDEA.
  14. 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.
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