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Economic Growth with Imperfect Protection of Intellectual Property Rights

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Listed:
  • Ryo Horii

    (Graduate School of Economics, Osaka University)

  • Tatsuro Iwaisako

    (Faculty of Economics, Ritsumeikan University)

Abstract

This paper examines the growth effects of intellectual property right (IPR) protection in a quality-ladder model of endogenous growth. Stronger IPR protection, which reduces the imitation probability, increases the reward for innovation. However, stronger protection also gradually reduces the number of competitive sectors, in which innovation is easier than in monopolistic sectors. With free entry to R&D, the number of researchers in each remaining competitive sector increases, but the concentration of R&D activity raises the possibility of unnecessary duplication of innovation, thereby hindering growth. Consequently, imperfect rather than perfect protection maximizes growth. Welfare and scale effects are also examined.

Suggested Citation

  • Ryo Horii & Tatsuro Iwaisako, 2005. "Economic Growth with Imperfect Protection of Intellectual Property Rights," Discussion Papers in Economics and Business 05-23-Rev., Osaka University, Graduate School of Economics, revised Apr 2006.
    • Handle: RePEc:osk:wpaper:0523r
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    intellectual property rights; endogenous growth; quality ladder; imitation; leapfrogging; duplication.;
    All these keywords.

    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
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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