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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
Note: EFG
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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. J. Peter Neary, 2007. "Cross-Border Mergers as Instruments of Comparative Advantage," Review of Economic Studies, Oxford University Press, vol. 74(4), pages 1229-1257.
  3. Ghironi, Fabio & Melitz, Marc J, 2004. "International Trade and Macroeconomic Dynamics with Heteroegenous Firms," CEPR Discussion Papers 4595, C.E.P.R. Discussion Papers.
  4. Andrew B. Bernard & J. Bradford Jensen & Stephen J. Redding & Peter K. Schott, 2007. "Firms in International Trade," NBER Working Papers 13054, National Bureau of Economic Research, Inc.
  5. Steve J. Davis & John Haltiwanger, 1991. "Gross job creation, gross job destruction and employment reallocation," Working Paper Series, Macroeconomic Issues 91-5, Federal Reserve Bank of Chicago.
  6. Ottaviano, Gianmarco & Melitz, Marc, 2008. "Market Size, Trade, and Productivity," Scholarly Articles 3229096, Harvard University Department of Economics.
  7. Melitz, Marc J, 2002. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," CEPR Discussion Papers 3381, C.E.P.R. Discussion Papers.
  8. Nir Jaimovich, 2004. "Firm Dynamics, Markup Variations, and the Business Cycle," Discussion Papers 07-013, Stanford Institute for Economic Policy Research, revised Mar 2007.
  9. 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.
  10. 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.
  11. Bilbiie, Florin Ovidiu & Ghironi, Fabio & Melitz, Marc J, 2011. "Endogenous Entry, Product Variety, and Business Cycles," CEPR Discussion Papers 8564, C.E.P.R. Discussion Papers.
  12. Christian Broda & David E. Weinstein, 2007. "Product Creation and Destruction: Evidence and Price Implications," NBER Working Papers 13041, National Bureau of Economic Research, Inc.
  13. 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.
  14. Choi, E. Kwan & Harrigan, James, 2003. "Handbook of International Trade," Staff General Research Papers 11375, Iowa State University, Department of Economics.
  15. 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.
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