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Product-market competition, corporate governance and innovation: evidence on US-listed firms

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  • Hashem, Nawar
  • Ugur, Mehmet

Abstract

The debate on competition and innovation has produced a wide range of theoretical and empirical findings. Recently, corporate governance quality has emerged as an additional factor that may complement or substitute for competition’s effect on innovation. We aim to contribute to the debate by investigating whether product-market competition and corporate governance quality affect firm-level innovation, utilising a dataset for 1,400 non-financial US-listed companies. Using two-way cluster-robust estimation, we report several findings. First, the relationship between industry-level competition and input as well as output measures of innovation is non-linear. Secondly, the non-linear relationship is of an inverted-U shape with respect to input measures of innovation, but the relationship has a U-shape when output measure of innovation is estimated. Third, corporate governance indicators such as anti-takeover defences and insider control tend to have a negative effect on input measures of innovation but their effect is positive with respect to the output measure. Finally, when interacted with market concentration, anti-takeover defences and insider control emerge as substitutes, leading to sign reversals in the relationship between competition and innovation. The results are obtained by using two-way cluster-robust estimation that controls for dependence within company/year and industry/year clusters, but they are robust to different estimation methods including fixed-effect and Fama-Macbeth procedure.

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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 37481.

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Date of creation: Dec 2011
Date of revision: Feb 2012
Handle: RePEc:pra:mprapa:37481

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Keywords: Innovation; competition; corporate governance; two-way cluster-robust estimation;

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  1. Philippe Aghion & Wendy Carlin & Mark Schaffer, 2002. "Competition, Innovation and Growth in Transition: Exploring the Interactions between Policies," William Davidson Institute Working Papers Series 501, William Davidson Institute at the University of Michigan.
  2. Philippe Aghion & Nick Bloom & Richard Blundell & Rachel Griffith & Peter Howitt, 2005. "Competition and Innovation: An Inverted-U Relationship," The Quarterly Journal of Economics, MIT Press, vol. 120(2), pages 701-728, May.
  3. Jeffrey M. Wooldridge, 2003. "Cluster-Sample Methods in Applied Econometrics," American Economic Review, American Economic Association, vol. 93(2), pages 133-138, May.
  4. Aghion, Philippe & Dewatripont, Mathias & Rey, Patrick, 1999. "Competition, Financial Discipline and Growth," Review of Economic Studies, Wiley Blackwell, vol. 66(4), pages 825-52, October.
  5. Irena Grosfeld & Thierry Tressel, 2002. "Competition and ownership structure: Substitutes or complements? Evidence from the Warsaw Stock Exchange," The Economics of Transition, The European Bank for Reconstruction and Development, vol. 10(3), pages 525-551, November.
  6. Reinganum, Jennifer R., 1982. "Uncertain Innovation and the Persistence of Monopoly," Working Papers 431, California Institute of Technology, Division of the Humanities and Social Sciences.
  7. Reinganum, Jennifer R., . "Innovation and Industry Evolution," Working Papers 426, California Institute of Technology, Division of the Humanities and Social Sciences.
  8. Fama, Eugene F & MacBeth, James D, 1973. "Risk, Return, and Equilibrium: Empirical Tests," Journal of Political Economy, University of Chicago Press, vol. 81(3), pages 607-36, May-June.
  9. Gilbert, Richard J & Newbery, David M G, 1982. "Preemptive Patenting and the Persistence of Monopoly," American Economic Review, American Economic Association, vol. 72(3), pages 514-26, June.
  10. Newey, Whitney & West, Kenneth, 2014. "A simple, positive semi-definite, heteroscedasticity and autocorrelation consistent covariance matrix," Applied Econometrics, Publishing House "SINERGIA PRESS", vol. 33(1), pages 125-132.
  11. Aghion, Philippe & Dewatripont, Mathias & Rey, Patrick, 1999. "Competition, Financial Discipline and Growth," Scholarly Articles 12490416, Harvard University Department of Economics.
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