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Innovation and market value: a quantile regression analysis

  • Alex Coad

    ()

    (CES-MATISSE, Univ. Paris 1 and LEM, Sant'Anna School, Pisa)

  • Rekha Rao

    ()

    (LEM, Sant'Anna School, Pisa)

We construct a new database by matching firm-level Compustat data to NBER patent data, for four 2-digit complex technology sectors. Whilst conventional regression estimators show that the stock market does recognise efforts at innovation, quantile regression analysis adds a new dimension to the literature, suggesting that the influence of innovation on market value varies dramatically across the market value distribution. For firms with a low value of Tobin's q, the stock market will barely recognize their attempts to innovate. For firms with the highest values of Tobin''s q, however, their market value is particularly sensitive to innovative activity.

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Article provided by AccessEcon in its journal Economics Bulletin.

Volume (Year): 15 (2006)
Issue (Month): 13 ()
Pages: 1-10

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Handle: RePEc:ebl:ecbull:eb-06o10012
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  1. Mata, Jose & Machado, Jose A. F., 1996. "Firm start-up size: A conditional quantile approach," European Economic Review, Elsevier, vol. 40(6), pages 1305-1323, June.
  2. Zvi Griliches, 1990. "Patent Statistics as Economic Indicators: A Survey," NBER Working Papers 3301, National Bureau of Economic Research, Inc.
  3. Wesley M Cohen & Richard R Nelson & John P Walsh, 2003. "Protecting Their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (Or Not)," Levine's Working Paper Archive 618897000000000624, David K. Levine.
  4. Hall, Bronwyn H & Jaffe, Adam B & Trajtenberg, Manuel, 2001. "The NBER Patent Citations Data File: Lessons, Insights and Methodological Tools," CEPR Discussion Papers 3094, C.E.P.R. Discussion Papers.
  5. Mahmut Yasar & Carl H. Nelson & Roderick Rejesus, 2003. "Productivity and Exporting Status of Manufacturing Firms: Evidence from Quantile Regressions," Emory Economics 0323, Department of Economics, Emory University (Atlanta).
  6. repec:fth:harver:1473 is not listed on IDEAS
  7. Roger Koenker & Kevin F. Hallock, 2001. "Quantile Regression," Journal of Economic Perspectives, American Economic Association, vol. 15(4), pages 143-156, Fall.
  8. Moshe Buchinsky, 1998. "Recent Advances in Quantile Regression Models: A Practical Guideline for Empirical Research," Journal of Human Resources, University of Wisconsin Press, vol. 33(1), pages 88-126.
  9. Bronwyn H. HALL & Raffaele ORIANI, 2004. "Does the Market Value R&D Investment by European Firms? Evidence from a Panel of Manufacturing Firms in France," Economics Working Papers ECO2004/13, European University Institute.
  10. Zvi Griliches, 1984. "Market Value, R&D, and Patents," NBER Chapters, in: R&D, Patents, and Productivity, pages 249-252 National Bureau of Economic Research, Inc.
  11. Joao Pedro Azevedo, 2004. "GRQREG: Stata module to graph the coefficients of a quantile regression," Statistical Software Components S437001, Boston College Department of Economics, revised 17 Mar 2011.
  12. Bronwyn H. Hall & Adam Jaffe & Manuel Trajtenberg, 2005. "Market Value and Patent Citations," RAND Journal of Economics, The RAND Corporation, vol. 36(1), pages 16-38, Spring.
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