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Patent Races with Dynamic Complementarity

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  • A. Blasco

Abstract

Recent models of multi-stage R&D have shown that a system of weak intellectual property rights may lead to faster innovation by inducing firms to share intermediate technological knowledge. In this article I introduce a distinction between plain and sophisticated technological knowledge, which has not been noticed so far but plays a crucial role in determining how different appropriability rules affect the incentives to innovate. I argue that the positive effect of weak intellectual property regimes on the sharing of intermediate technological knowledge vanishes when technological knowledge is sophisticated, as is likely to be the case in many high tech industries.

Suggested Citation

  • A. Blasco, 2011. "Patent Races with Dynamic Complementarity," Working Papers wp733, Dipartimento Scienze Economiche, Universita' di Bologna.
  • Handle: RePEc:bol:bodewp:wp733
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    File URL: http://amsacta.unibo.it/4508/1/WP733.pdf
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    References listed on IDEAS

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    1. Bessen, James, 2005. "Patents and the diffusion of technical information," Economics Letters, Elsevier, vol. 86(1), pages 121-128, January.
    2. Nancy T. Gallini, 1992. "Patent Policy and Costly Imitation," RAND Journal of Economics, The RAND Corporation, vol. 23(1), pages 52-63, Spring.
    3. James Bessen & Eric Maskin, 2009. "Sequential innovation, patents, and imitation," RAND Journal of Economics, RAND Corporation, vol. 40(4), pages 611-635.
    Full references (including those not matched with items on IDEAS)

    More about this item

    JEL classification:

    • L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General

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