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Economic growth with bubbles

We develop a stylized model of economic growth with bubbles. In this model, changes in investor sentiment lead to the appearance and collapse of macroeconomic bubbles or pyramid schemes. We show how these bubbles mitigate the effects of financial frictions. During bubbly episodes, unproductive investors demand bubbles while productive investors supply them. These transfers of resources improve the efficiency at which the economy operates, expanding consumption, the capital stock and output. When bubbly episodes end, these transfers stop and consumption, the capital stock and output contract. We characterize the stochastic equilibria of the model and argue that they provide a natural way of introducing bubble shocks into business cycle models.

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Paper provided by Department of Economics and Business, Universitat Pompeu Fabra in its series Economics Working Papers with number 848.

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Date of creation: Nov 2003
Date of revision: Sep 2011
Handle: RePEc:upf:upfgen:848
Contact details of provider: Web page: http://www.econ.upf.edu/

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  1. 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.
  2. Gan, Jie, 2007. "Collateral, debt capacity, and corporate investment: Evidence from a natural experiment," Journal of Financial Economics, Elsevier, vol. 85(3), pages 709-734, September.
  3. 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.
  4. Jaume Ventura, 2002. "Bubbles and capital flows," Economics Working Papers 846, Department of Economics and Business, Universitat Pompeu Fabra, revised Mar 2010.
  5. Noriyuki Yanagawa & Gene M. Grossman, 1992. "Asset Bubbles and Endogenous Growth," NBER Working Papers 4004, National Bureau of Economic Research, Inc.
  6. Vidhan K. Goyal & Takeshi Yamada, 2004. "Asset Price Shocks, Financial Constraints, and Investment: Evidence from Japan," The Journal of Business, University of Chicago Press, vol. 77(1), pages 175-200, January.
  7. 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.
  8. Matthias Kehrig, 2011. "The Cyclicality of Productivity Dispersion," Working Papers 11-15, Center for Economic Studies, U.S. Census Bureau.
  9. Jaume Ventura, 2005. "A Global View of Economic Growth," NBER Working Papers 11296, National Bureau of Economic Research, Inc.
  10. French, Kenneth R. & Poterba, James M., 1991. "Were Japanese stock prices too high?," Journal of Financial Economics, Elsevier, vol. 29(2), pages 337-363, October.
  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. 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.
  14. Eisfeldt, Andrea L. & Rampini, Adriano A., 2006. "Capital reallocation and liquidity," Journal of Monetary Economics, Elsevier, vol. 53(3), pages 369-399, April.
  15. Mark Wright & Guido Sandleris, 2011. "The Costs of Financial Crises: Resource Misallocation, Productivity and Welfare in the 2001 Argentine Crisis," 2011 Meeting Papers 900, Society for Economic Dynamics.
  16. Jean Tirole & Emmanuel Farhi, 2011. "Bubbly Liquidity," 2011 Meeting Papers 1081, Society for Economic Dynamics.
  17. Thomas Chaney & David Sraer & David Thesmar, 2010. "The Collateral Channel: How Real Estate Shocks Affect Corporate Investment," NBER Working Papers 16060, National Bureau of Economic Research, Inc.
  18. Andrew B. Abel & N. Gregory Mankiw & Lawrence H. Summers & Richard J. Zeckhauser, 1986. "Assessing Dynamic Efficiency: Theory and Evidence," NBER Working Papers 2097, National Bureau of Economic Research, Inc.
  19. 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.
  20. Barro, Robert J., 1974. "Are Government Bonds Net Wealth?," Scholarly Articles 3451399, Harvard University Department of Economics.
  21. Cass, David & Shell, Karl, 1983. "Do Sunspots Matter?," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 193-227, April.
  22. Tirole, Jean, 1985. "Asset Bubbles and Overlapping Generations," Econometrica, Econometric Society, vol. 53(6), pages 1499-1528, November.
  23. Weil, Philippe, 1987. "Confidence and the Real Value of Money in an Overlapping Generations Economy," The Quarterly Journal of Economics, MIT Press, vol. 102(1), pages 1-22, February.
  24. Diba, Behzad T & Grossman, Herschel I, 1987. "On the Inception of Rational Bubbles," The Quarterly Journal of Economics, MIT Press, vol. 102(3), pages 697-700, August.
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