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News Shocks and Learning-by-doing

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  • Hammad Qureshi

    ()
    (Department of Economics, Ohio State University)

Abstract

The idea that expectations about future economic fundamentals can drive business cycles dates back to the early twentieth century. However, the standard real business cycle (RBC) model fails to generate positive comovement in output, consumption, labor-hours and investment in response to news shocks. This paper proposes a simple and intuitive solution to this puzzling feature of the RBC model, based on a mechanism that has strong empirical support: learning-by-doing (LBD). First, we show that the one-sector RBC model augmented by LBD can generate aggregate comovement in response to news shock about technology. Second, we show that in the two-sector RBC model, LBD along with an intratemporal adjustment cost can generate sectoral comovement in response to news about three types of shocks: i) neutral technology shock, ii) consumption technology shock, and iii) investment technology shock. We show that these results hold for contemporaneous technology shocks and for different specifications of LBD.

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Bibliographic Info

Paper provided by Ohio State University, Department of Economics in its series Working Papers with number 09-06.

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Length: 31 pages
Date of creation: Jun 2009
Date of revision:
Handle: RePEc:osu:osuewp:09-06

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Related research

Keywords: News Shocks; Learning-by-Doing; Pigou Cycles;

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References

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  1. Cooper, Russell & Johri, Alok, 2002. "Learning-by-doing and aggregate fluctuations," Journal of Monetary Economics, Elsevier, vol. 49(8), pages 1539-1566, November.
  2. Yongsung Chang & Joao Gomes & Frank Schorfheide, 2002. "Learning by Doing as a Propagation Mechanism," Macroeconomics 0204002, EconWPA.
  3. Beaudry, Paul & Portier, Franck, 2001. "An Exploration into Pigou's Theory of Cycles," CEPR Discussion Papers 2996, C.E.P.R. Discussion Papers.
  4. Barro, Robert J & King, Robert G, 1984. "Time-separable Preferences and Intertemporal-Substitution Models of Business Cycles," The Quarterly Journal of Economics, MIT Press, vol. 99(4), pages 817-39, November.
  5. Irwin, Douglas A & Klenow, Peter J, 1994. "Learning-by-Doing Spillovers in the Semiconductor Industry," Journal of Political Economy, University of Chicago Press, vol. 102(6), pages 1200-1227, December.
  6. C. Lanier Benkard, 2000. "Learning and Forgetting: The Dynamics of Aircraft Production," American Economic Review, American Economic Association, vol. 90(4), pages 1034-1054, September.
  7. Bahk, Byong-Hong & Gort, Michael, 1993. "Decomposing Learning by Doing in New Plants," Journal of Political Economy, University of Chicago Press, vol. 101(4), pages 561-83, August.
  8. Den Haan, Wouter J. & Kaltenbrunner, Georg, 2009. "Anticipated growth and business cycles in matching models," Journal of Monetary Economics, Elsevier, vol. 56(3), pages 309-327, April.
  9. Alok Johri & Christopher Gunn, 2009. "News and knowledge capital," 2009 Meeting Papers 763, Society for Economic Dynamics.
  10. Lucas, Robert E., 1977. "Understanding business cycles," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 5(1), pages 7-29, January.
  11. Franck Portier & Paul Beaudry, 2004. "When Can Changes in Expectations Cause Business Cycle Fluctuations?," 2004 Meeting Papers 865, Society for Economic Dynamics.
  12. Huffman, Gregory W. & Wynne, Mark A., 1999. "The role of intratemporal adjustment costs in a multisector economy," Journal of Monetary Economics, Elsevier, vol. 43(2), pages 317-350, April.
  13. Schmitt-Grohé, Stephanie & Uribe, Martín, 2009. "What’s News in Business Cycles," CEPR Discussion Papers 7201, C.E.P.R. Discussion Papers.
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Cited by:
  1. Franck Portier, 2014. "News Driven Business Cycles: Insights and Challenges," 2014 Meeting Papers 289, Society for Economic Dynamics.
  2. William Dupor & M. Saif Mehkari, 2013. "The analytics of technology news shocks," Working Papers 2013-036, Federal Reserve Bank of St. Louis.
  3. Saif Mehkari & Bill Dupor, 2010. "Solving the Procyclical News Shock Problem," 2010 Meeting Papers 400, Society for Economic Dynamics.

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