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Firm Heterogeneity, Endogenous Entry, and the Business Cycle

  • Gianmarco I.P. Ottaviano

This paper investigates the role that the entry and exit of heterogeneous firms plays in shaping aggregate fluctuations in economic activity. In so doing, it develops a dynamic stochastic general equilibrium model in which procyclical entry and countercyclical exit along a real business cycle lead to endogenous cyclical movements in average firm productivity. These movements stem from a composition effect due to the reallocation of market shares among firms with different levels of efficiency and affect the propagation of exogenous technological shocks. Numerical analysis suggests that existing models with representative firms may overstate the actual role of procyclical entry and exit in imperfectly competitive markets as a propagation mechanism of exogenous technology shocks. The reason is that procyclical entry and countercyclical exit disproportionately involve less efficiency firms whose impact on aggregate economic activity is hampered by their smaller size.

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File URL: http://www.nber.org/papers/w17433.pdf
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 17433.

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Date of creation: Sep 2011
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Publication status: published as Gianmarco I. P. Ottaviano, 2012. "Firm Heterogeneity, Endogenous Entry, and the Business Cycle," NBER International Seminar on Macroeconomics, University of Chicago Press, vol. 8(1), pages 57 - 86.
Handle: RePEc:nbr:nberwo:17433
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  1. Gali, J., 1991. "Monopolistic Competition, Business Cycles and the Composition of Aggregate Demand," Papers 92-03, Columbia - Graduate School of Business.
  2. Steven J. Davis & R. Jason Faberman & John Haltiwanger, 2006. "The Flow Approach to Labor Markets: New Data Sources and Micro-Macro Links," Journal of Economic Perspectives, American Economic Association, vol. 20(3), pages 3-26, Summer.
  3. Fabio Ghironi & Marc J. Melitz, 2004. "International Trade and Macroeconomic Dynamics with Heterogeneous Firms," Boston College Working Papers in Economics 599, Boston College Department of Economics.
  4. Florin Bilbiie & F. Ghironi & M. Melitz, 2007. "Endogenous Entry, Product Variety and Business Cycles," Working Papers hal-00515667, HAL.
  5. Marc J. Melitz & Gianmarco I. P. Ottaviano, 2008. "Market Size, Trade, and Productivity," Review of Economic Studies, Oxford University Press, vol. 75(1), pages 295-316.
  6. Neary, J Peter, 2004. "Cross-Border Mergers as Instruments of Comparative Advantage," CEPR Discussion Papers 4325, C.E.P.R. Discussion Papers.
  7. Choi, E. Kwan & Harrigan, James, 2003. "Handbook of International Trade," Staff General Research Papers Archive 11375, Iowa State University, Department of Economics.
  8. Steve J. Davis & John Haltiwanger, 1991. "Gross Job Creation, Gross Job Destruction and Employment Reallocation," NBER Working Papers 3728, National Bureau of Economic Research, Inc.
  9. Mark J. Melitz, 2002. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," NBER Working Papers 8881, National Bureau of Economic Research, Inc.
  10. Jaimovich, Nir & Floetotto, Max, 2008. "Firm dynamics, markup variations, and the business cycle," Journal of Monetary Economics, Elsevier, vol. 55(7), pages 1238-1252, October.
  11. Andrew Bernard & J. Bradford Jensen & Stephen Redding & Peter Schott, 2007. "Firms in International Trade," Working Papers 07-14, Center for Economic Studies, U.S. Census Bureau.
  12. Mortensen, Dale & Pissarides, Christopher, 2011. "Job Creation and Job Destruction in the Theory of Unemployment," Economic Policy, Russian Presidential Academy of National Economy and Public Administration, vol. 1, pages 19 pages.
  13. Christian Broda & David E. Weinstein, 2007. "Product Creation and Destruction: Evidence and Price Implications," NBER Working Papers 13041, National Bureau of Economic Research, Inc.
  14. Steven J. Davis & John Haltiwanger, 1990. "Gross Job Creation and Destruction: Microeconomic Evidence and Macroeconomic Implications," NBER Chapters, in: NBER Macroeconomics Annual 1990, Volume 5, pages 123-186 National Bureau of Economic Research, Inc.
  15. Katharine G. Abraham & John C. Haltiwanger, 1995. "Real Wages and the Business Cycle," Journal of Economic Literature, American Economic Association, vol. 33(3), pages 1215-1264, September.
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