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Theoretical Notes on Bubbles and the Current Crisis

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  • Alberto Martin
  • Jaume Ventura

Abstract

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 sectors and countries. We also use the model to explore the role of fiscal policy

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Bibliographic Info

Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 16399.

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Date of creation: Sep 2010
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Publication status: published as Alberto Martin & Jaume Ventura, 2011. "Theoretical Notes on Bubbles and the Current Crisis," IMF Economic Review, Palgrave Macmillan, vol. 59(1), pages 6-40, April.
Handle: RePEc:nbr:nberwo:16399

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  1. Jaume Ventura, 2002. "Bubbles and Capital Flows," NBER Working Papers 9304, National Bureau of Economic Research, Inc.
  2. 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.
  3. Martin, Alberto & Ventura, Jaume, 2010. "Economic Growth with Bubbles," CEPR Discussion Papers 7770, C.E.P.R. Discussion Papers.
  4. Jesús Fernández-Villaverde & Lee Ohanian, 2010. "The Spanish Crisis from a Global Perspective," Working Papers 2010-03, FEDEA.
  5. Jaume Ventura & Aart Kraay, 2005. "The dot-com bubble, the Bush deficits and the US current account," Economics Working Papers 847, Department of Economics and Business, Universitat Pompeu Fabra, revised Dec 2005.
  6. King, Ian & Ferguson, Don, 1993. "Dynamic inefficiency, endogenous growth, and Ponzi games," Journal of Monetary Economics, Elsevier, vol. 32(1), pages 79-104, August.
  7. 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.
  8. 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.
  9. Gourinchas, Pierre-Oliver & Farhi, Emmanuel & Caballero, Ricardo J., 2008. "Financial Crash, Commodity Prices, and Global Imbalances," Scholarly Articles 3229095, Harvard University Department of Economics.
  10. John Moore & Nobuhiro Kiyotaki, . "Credit Cycles," Discussion Papers 1995-5, Edinburgh School of Economics, University of Edinburgh.
  11. Noriyuki Yanagawa & Gene M. Grossman, 1992. "Asset Bubbles and Endogenous Growth," NBER Working Papers 4004, National Bureau of Economic Research, Inc.
  12. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
  13. Charles T. Carlstrom & Timothy S. Fuerst, 1996. "Agency costs, net worth, and business fluctuations: a computable general equilibrium analysis," Working Paper 9602, Federal Reserve Bank of Cleveland.
  14. Saint-Paul, G., 1991. "Fiscal Policy In An Endogenous Growth Model," DELTA Working Papers 91-04, DELTA (Ecole normale supérieure).
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