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Theoretical Notes on Bubbles and the Current Crisis

Author

Listed:
  • Alberto Martin
  • Jaume Ventura

Abstract

This paper explores 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. The paper embeds this view in a standard model of the financial accelerator and explores its empirical and policy implications. In particular, it shows 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. The paper also uses the model to explore the role of fiscal policy.

Suggested Citation

  • Alberto Martin & Jaume Ventura, 2011. "Theoretical Notes on Bubbles and the Current Crisis," IMF Economic Review, Palgrave Macmillan;International Monetary Fund, vol. 59(1), pages 6-40, April.
  • Handle: RePEc:pal:imfecr:v:59:y:2011:i:1:p:6-40
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    References listed on IDEAS

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    1. Jaume Ventura, 2002. "Bubbles and Capital Flows," NBER Working Papers 9304, National Bureau of Economic Research, Inc.
    2. Emmanuel Farhi & Ricardo Caballero & Pierre-Olivier Gourinchas, "undated". "Financial Crash, Commodity Prices and Global Imbalances," Working Paper 20933, Harvard University OpenScholar.
    3. 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.
    4. Alberto Martin & Jaume Ventura, 2012. "Economic Growth with Bubbles," American Economic Review, American Economic Association, vol. 102(6), pages 3033-3058, October.
    5. Gilles Saint-Paul, 1992. "Fiscal Policy in an Endogenous Growth Model," The Quarterly Journal of Economics, Oxford University Press, vol. 107(4), pages 1243-1259.
    6. Kiyotaki, Nobuhiro & Moore, John, 1997. "Credit Cycles," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 211-248, April.
    7. 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 467-467.
    8. Aart Kraay & Jaume Ventura, 2007. "The Dot-Com Bubble, the Bush Deficits, and the U.S. Current Account," NBER Chapters,in: G7 Current Account Imbalances: Sustainability and Adjustment, pages 457-496 National Bureau of Economic Research, Inc.
    9. Grossman, Gene M. & Yanagawa, Noriyuki, 1993. "Asset bubbles and endogenous growth," Journal of Monetary Economics, Elsevier, vol. 31(1), pages 3-19, February.
    10. 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.
    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. Jesús Fernández-Villaverde & Lee Ohanian, 2010. "The Spanish Crisis from a Global Perspective," Working Papers 2010-03, FEDEA.
    13. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
    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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    More about this item

    JEL classification:

    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G01 - Financial Economics - - General - - - Financial Crises
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

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