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An Empirical Model of Growth Through Product Innovation

  • Rasmus Lentz
  • Dale T. Mortensen

Productivity differences across firms are large and persistent, but the evidence for worker reallocation as an important source of aggregate productivity growth is mixed. The purpose of this paper is to estimate the structure of an equilibrium model of growth through innovation designed to identify and quantify the role of resource reallocation in the growth process. The model is a version of the Schumpeterian theory of firm evolution and growth developed by Klette and Kortum (2004) extended to allow for firm heterogeneity. The data set is a panel of Danish firms that includes information on value added, employment, and wages. The model's fit is good. The estimated model implies that more productive firms in each cohort grow faster and consequently crowd out less productive firms in steady state. This selection effect accounts for 53% of aggregate growth in the estimated version of the model. Copyright 2008 The Econometric Society.

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Article provided by Econometric Society in its journal Econometrica.

Volume (Year): 76 (2008)
Issue (Month): 6 (November)
Pages: 1317-1373

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Handle: RePEc:ecm:emetrp:v:76:y:2008:i:6:p:1317-1373
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  1. Martin Neil Baily & Eric J. Bartelsman & John Haltiwanger, 1994. "Downsizing and Productivity Growth: Myth or Reality?," NBER Working Papers 4741, National Bureau of Economic Research, Inc.
  2. Joel L. Horowitz, 1996. "Bootstrap Methods For Covariance Structures," Econometrics 9610003, EconWPA.
  3. Klette, Tor Jakob & Griliches, Zvi, 1996. "The Inconsistency of Common Scale Estimators When Output Prices Are Unobserved and Endogenous," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 11(4), pages 343-61, July-Aug..
  4. Javier Alvarez & Martin Browning & Mette Ejrnæs, 2002. "Modelling income processes with lots of heterogeneity," 10th International Conference on Panel Data, Berlin, July 5-6, 2002 D2-3, International Conferences on Panel Data.
  5. Joseph G. Altonji & Lewis M. Segal, 1994. "Small sample bias in GMM estimation of covariance structures," Working Paper Series, Macroeconomic Issues 94-8, Federal Reserve Bank of Chicago.
  6. Mark Doms & Eric J. Bartelsman, 2000. "Understanding Productivity: Lessons from Longitudinal Microdata," Journal of Economic Literature, American Economic Association, vol. 38(3), pages 569-594, September.
  7. Anders Frederiksen & Niels Westergaard-Nielsen, 2002. "Where did they go?," 10th International Conference on Panel Data, Berlin, July 5-6, 2002 D3-2, International Conferences on Panel Data.
  8. Tor Jakob Klette & Samuel Kortum, 2002. "Innovating Firms and Aggregate Innovation," NBER Working Papers 8819, National Bureau of Economic Research, Inc.
  9. John Haltiwanger & C J Krizan & Lucia Foster, 1998. "Aggregate Productivity Growth: Lessons From Microeconomic Evidence," Working Papers 98-12, Center for Economic Studies, U.S. Census Bureau.
  10. Gourieroux, C & Monfort, A & Renault, E, 1993. "Indirect Inference," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 8(S), pages S85-118, Suppl. De.
  11. Bruce C. Fallick & Charles A. Fleischman, 2001. "The importance of employer-to-employer flows in the U.S. labor market," Finance and Economics Discussion Series 2001-18, Board of Governors of the Federal Reserve System (U.S.).
  12. Mark L.J. Wright & Esteban Rossi-Hansberg, 2004. "Firm Size Dynamics in the Aggregate Economy," 2004 Meeting Papers 878, Society for Economic Dynamics.
  13. Rasmus Lentz & Dale T. Mortensen, 2005. "Productivity Growth And Worker Reallocation," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(3), pages 731-749, 08.
  14. Bent Jesper Christensen & Rasmus Lentz & Dale T. Mortensen & George R. Neumann & Axel Werwatz, 2003. "On the Job Search and the Wage Distribution," CAM Working Papers 2004-09, University of Copenhagen. Department of Economics. Centre for Applied Microeconometrics.
  15. Joel L. Horowitz, 1998. "Bootstrap Methods for Covariance Structures," Journal of Human Resources, University of Wisconsin Press, vol. 33(1), pages 39-61.
  16. Dale T. Mortensen & Rasmus Lentz, 2004. "Productivity Differences and Firm Size," 2004 Meeting Papers 60, Society for Economic Dynamics.
  17. Steven J. Davis & John C. Haltiwanger & Scott Schuh, 1998. "Job Creation and Destruction," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262540932, June.
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