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Exploring the Tail of Patented Invention Value Distributions

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  • Scherer, Frederic M.
  • Harhoff, Dietmar
  • Vopel, Katrin

Abstract

We explore the tail of patented invention value distributions by using value estimates obtained directly from patent holders. The paper focuses on those full-term German patents of the application year 1977 which were held by West German and U.S. residents. The most valuable patents in our data account for a large fraction of the cumulative value over all observations. Several tests are conducted to pin down more precisely the nature of the high-value tail distribution. Among the Pareto, Singh-Maddala and log normal distributions, the log normal appears to provide the best fit to our patented invention value data.

Suggested Citation

  • Scherer, Frederic M. & Harhoff, Dietmar & Vopel, Katrin, 1997. "Exploring the Tail of Patented Invention Value Distributions," ZEW Discussion Papers 97-30, ZEW - Leibniz Centre for European Economic Research.
    • Handle: RePEc:zbw:zewdip:5132
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    More about this item

    Keywords

    Patents; Skew Distributions;

    JEL classification:

    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O34 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Intellectual Property and Intellectual Capital

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