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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.jstor.org/stable/pdfplus/10.1086/663614
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File URL: http://www.jstor.org/stable/full/10.1086/663614
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Article provided by University of Chicago Press in its journal NBER International Seminar on Macroeconomics.

Volume (Year): 8 (2012)
Issue (Month): 1 ()
Pages: 57 - 86

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Handle: RePEc:ucp:intsma:doi:10.1086/663614
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  1. Marc J. Melitz & Gianmarco I.P. Ottaviano, 2005. "Market Size, Trade, and Productivity," Development Working Papers 201, Centro Studi Luca d\'Agliano, University of Milano.
  2. 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.
  3. Andrew B. Bernard & J. Bradford Jensen & Stephen Redding & Peter K. Schott, 2007. "Firms in International Trade," CEP Discussion Papers dp0795, Centre for Economic Performance, LSE.
  4. Christian Broda & David E. Weinstein, 2010. "Product Creation and Destruction: Evidence and Price Implications," American Economic Review, American Economic Association, vol. 100(3), pages 691-723, June.
  5. Ghironi, Fabio & Melitz, Marc, 2005. "International Trade and Macroeconomic Dynamics with Heterogeneous Firms," Scholarly Articles 3228377, Harvard University Department of Economics.
  6. Gali Jordi, 1994. "Monopolistic Competition, Business Cycles, and the Composition of Aggregate Demand," Journal of Economic Theory, Elsevier, vol. 63(1), pages 73-96, June.
  7. 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.
  8. Steven J. Davis & R. Jason Faberman & John Haltiwanger, 2006. "The Flow Approach to Labor Markets: New Data Sources and Micro-Macro Links," NBER Working Papers 12167, National Bureau of Economic Research, Inc.
  9. Choi, E. Kwan & Harrigan, James, 2003. "Handbook of International Trade," Staff General Research Papers 11375, Iowa State University, Department of Economics.
  10. 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.
  11. Florin Bilbiie & Fabio Ghironi & Marc Melitz, 2012. "Endogenous Entry, Product Variety and Business Cycles," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) hal-00680634, HAL.
  12. Neary, J. Peter, 2004. "Cross-Border Mergers as Instruments of Comparative Advantage," Center for European, Governance and Economic Development Research Discussion Papers 34, University of Goettingen, Department of Economics.
  13. Dale T. Mortensen & Christopher A. Pissarides, 1993. "Job Creation and Job Destruction in the Theory of Unemployment," CEP Discussion Papers dp0110, Centre for Economic Performance, LSE.
  14. 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.
  15. 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.
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