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Diverging Trends in Macro and Micro Volatility: Facts

  • Comin, D.
  • Mulani, S.

In this paper, we document the diverging trends in volatility of the growth rate of sales at the aggregate and firm level. We establish that the upward trend in micro volatility is not simply driven by a compositional bias in the sample studied. We argue that this new fact renders obsolete the proposed explanations for the decline in aggregate volatility and that, given the symmetry of the diverging trends at the micro and macro level, a common explanation is highly likely. We conclude by describing one such theory driven by market integration.

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File URL: http://econ.as.nyu.edu/docs/IO/9184/RR03-08.PDF
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Paper provided by C.V. Starr Center for Applied Economics, New York University in its series Working Papers with number 03-08.

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Length: 15 pages
Date of creation: 2003
Date of revision:
Handle: RePEc:cvs:starer:03-08
Contact details of provider: Postal: C.V. Starr Center, Department of Economics, New York University, 19 W. 4th Street, 6th Floor, New York, NY 10012
Phone: (212) 998-8936
Fax: (212) 995-3932
Web page: http://econ.as.nyu.edu/object/econ.cvstarr.html
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Order Information: Postal: C.V. Starr Center, Department of Economics, New York University, 19 W. 4th Street, 6th Floor, New York, NY 10012
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  1. John Y. Campbell, 2001. "Have Individual Stocks Become More Volatile? An Empirical Exploration of Idiosyncratic Risk," Journal of Finance, American Finance Association, vol. 56(1), pages 1-43, 02.
  2. Diego A. Comin & Thomas Philippon, 2006. "The Rise in Firm-Level Volatility: Causes and Consequences," NBER Chapters, in: NBER Macroeconomics Annual 2005, Volume 20, pages 167-228 National Bureau of Economic Research, Inc.
  3. R. Dornbusch & S. Fischer & P. A. Samuelson, 1976. "Comparative Advantage, Trade and Payments in a Ricardian Model With a Continuum of Goods," Working papers 178, Massachusetts Institute of Technology (MIT), Department of Economics.
  4. Richard Clarida & Jordi Galí & Mark Gertler, 2000. "Monetary Policy Rules And Macroeconomic Stability: Evidence And Some Theory," The Quarterly Journal of Economics, MIT Press, vol. 115(1), pages 147-180, February.
  5. Jean Boivin & Marc Giannoni, 2002. "Assessing changes in the monetary transmission mechanism: a VAR approach," Economic Policy Review, Federal Reserve Bank of New York, issue May, pages 97-111.
  6. Timothy Cogley & Thomas J. Sargent, 2002. "Evolving Post-World War II U.S. Inflation Dynamics," NBER Chapters, in: NBER Macroeconomics Annual 2001, Volume 16, pages 331-388 National Bureau of Economic Research, Inc.
  7. Jordi Galí & David López-Salido & Javier Vallés, 2000. "Technology Shocks and Monetary policy: Assessing the Fed's Performance," Banco de Espa�a Working Papers 0013, Banco de Espa�a.
  8. James H. Stock & Mark W. Watson, 2002. "Has the Business Cycle Changed and Why?," NBER Working Papers 9127, National Bureau of Economic Research, Inc.
  9. Peter Gottschalk & Robert Moffitt, 1994. "The Growth of Earnings Instability in the U.S. Labor Market," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 25(2), pages 217-272.
  10. Olivier Blanchard & John Simon, 2001. "The Long and Large Decline in U.S. Output Volatility," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 32(1), pages 135-174.
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