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Competition and Innovation: An Inverted U Relationship

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  • Philippe Aghion
  • Nicholas Bloom
  • Richard Blundell
  • Rachel Griffith
  • Peter Howitt

Abstract

This paper investigates the relationship between product market competition (PMC) and innovation. A growth model is developed in which competition may increase the incremental profit from innovating; on the other hand, competition may also reduce innovation incentives for laggards. There are four key predictions. First, the relationship between product market competition (PMC) and innovation is an inverted U-shape. Second, the equilibrium degree of technological neck-and-neckness' among firms should decrease with PMC. Third, the higher the average degree of neck-and-neckness' in an industry, the steeper the inverted-U relationship. Fourth, firms may innovate more if subject to higher debt-pressure, especially at lower levels of PMC. We confront these predictions with data on UK firms' patenting activity at the US patenting office. They are found to accord well with observed behavior.

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Bibliographic Info

Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 9269.

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Date of creation: Oct 2002
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Publication status: published as Aghion, Philippe, Nick Bloom, Richard Blundell, Rachel Griffith and Peter Howitt. "Competition And Innovation: An Inverted-U Relationship," Quarterly Journal of Economics, 2005, v120(2,May), 701-728.
Handle: RePEc:nbr:nberwo:9269

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  1. Nickell, Stephen J, 1996. "Competition and Corporate Performance," Journal of Political Economy, University of Chicago Press, vol. 104(4), pages 724-46, August.
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  5. Aghion, Philippe & Harris, Christopher & Vickers, John, 1997. "Competition and growth with step-by-step innovation: An example," European Economic Review, Elsevier, vol. 41(3-5), pages 771-782, April.
  6. Nicholas Bloom & John Van Reenen, 2000. "Patents, productivity and market value: evidence from a panel of UK firms," IFS Working Papers W00/21, Institute for Fiscal Studies.
  7. Kevin A. Hassett & R. Glenn Hubbard, 1999. "Are Investment Incentives Blunted by Changes in Prices of Capital Goods?," NBER Working Papers 6676, National Bureau of Economic Research, Inc.
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  9. Hall, Bronwyn H. & Jaffee, Adam & Trajtenberg, Manuel, 2000. "Market Value and Patent Citations: A First Look," Department of Economics, Working Paper Series qt1rh8k6z2, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
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  14. Philippe Aghion & Nicholas Bloom & Richard Blundell & Rachel Griffith & Peter Howitt, 2002. "Competition and innovation: an inverted U relationship," IFS Working Papers W02/04, Institute for Fiscal Studies.
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  16. Blundell, Richard & Griffith, Rachel & Van Reenen, John, 1995. "Dynamic Count Data Models of Technological Innovation," Economic Journal, Royal Economic Society, vol. 105(429), pages 333-44, March.
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  21. Aghion, Philippe & Dewatripont, Mathias & Rey, Patrick, 1999. "Competition, Financial Discipline and Growth," Scholarly Articles 12490416, Harvard University Department of Economics.
  22. Blundell, Richard & Griffith, Rachel & van Reenen, John, 1999. "Market Share, Market Value and Innovation in a Panel of British Manufacturing Firms," Review of Economic Studies, Wiley Blackwell, vol. 66(3), pages 529-54, July.
  23. Dasgupta, Partha & Stiglitz, Joseph, 1980. "Industrial Structure and the Nature of Innovative Activity," Economic Journal, Royal Economic Society, vol. 90(358), pages 266-93, June.
  24. Blundell, Richard & Griffith, Rachel & Windmeijer, Frank, 2002. "Individual effects and dynamics in count data models," Journal of Econometrics, Elsevier, vol. 108(1), pages 113-131, May.
  25. Aghion, Philippe & Howitt, Peter, 1992. "A Model of Growth Through Creative Destruction," Scholarly Articles 12490578, Harvard University Department of Economics.
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  1. ¿Por qué necesitamos a los â??talibanes de la competenciaâ??
    by Juan Santaló in Nada Es Gratis on 2012-01-26 07:00:41
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