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Running to Stand Still? - Intellectual Property and Value Added in Innovating Firms

  • Christine Greenhalgh
  • Mark Longland

We construct a unique panel dataset to examine how R&D and intellectual property (IP), via patents and trade marks, increase firm productivity. Knowledge has public good characteristics of non-depletability and non-excludability. Even with IP, imitation and inventing around other firm`s products is possible, so we examine the size and duration of benefits to IP protection. If non-depletion is correct, this implies that absolute R&D, or total IP assets are important. We examine this hypothesis against the alternative of depletability, where innovative intensity relative to the size of the firm matters. The results support rapid depletability and poor ability to exclude.

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File URL: http://www.economics.ox.ac.uk/materials/working_papers/paper134.pdf
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Paper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 134.

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Date of creation: 01 Dec 2002
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Handle: RePEc:oxf:wpaper:134
Contact details of provider: Postal: Manor Rd. Building, Oxford, OX1 3UQ
Web page: http://www.economics.ox.ac.uk/
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  1. Bronwyn Hall, 1998. "Innovation and Market Value," Economics Series Working Papers 1999-W03, University of Oxford, Department of Economics.
  2. Greenhalgh, Christine & Longland, Mark, 2001. " Intellectual Property in UK Firms: Creating Intangible Assets and Distributing the Benefits via Wages and Jobs," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 63(0), pages 671-96, Special I.
  3. 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.
  4. Van Reenen, John, 1997. "Employment and Technological Innovation: Evidence from U.K. Manufacturing Firms," Journal of Labor Economics, University of Chicago Press, vol. 15(2), pages 255-84, April.
  5. Romer, Paul M, 1986. "Increasing Returns and Long-run Growth," Journal of Political Economy, University of Chicago Press, vol. 94(5), pages 1002-37, October.
  6. Rachel Griffith & Stephen Redding & John Van Reenen, 2001. "Measuring the cost effectiveness of an R&D tax credit for the UK," LSE Research Online Documents on Economics 782, London School of Economics and Political Science, LSE Library.
  7. Rachel Griffith & Stephen Redding & John Van Reenen, 2004. "Mapping the Two Faces of R&D: Productivity Growth in a Panel of OECD Industries," The Review of Economics and Statistics, MIT Press, vol. 86(4), pages 883-895, November.
  8. Kenneth Arrow, 1962. "Economic Welfare and the Allocation of Resources for Invention," NBER Chapters, in: The Rate and Direction of Inventive Activity: Economic and Social Factors, pages 609-626 National Bureau of Economic Research, Inc.
  9. Bosworth, Derek & Rogers, Mark, 2001. "Market Value, R&D and Intellectual Property: An Empirical Analysis of Large Australian Firms," The Economic Record, The Economic Society of Australia, vol. 77(239), pages 323-37, December.
  10. Greenhalgh, C & Longland, M & Bosworth, D, 2001. "Technological Activity and Employment in a Panel of UK Firms," Scottish Journal of Political Economy, Scottish Economic Society, vol. 48(3), pages 260-82, August.
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