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Economics Incentive to Innovate in Plants: Patents and Plant Breeders' Rights, The

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  • Moschini, GianCarlo
  • Yerokhin, Oleg

Abstract

The exclusivity conferred to inventors by intellectual property rights (IPRs) provide an ex ante incentive for innovation, but the resulting market power yields an ex post inefficiency (because it limits use of the innovation). Strong IPRs may also affect innovation by limiting access of proprietary knowledge in research aimed at new inventions and discoveries, which raises the question of whether IPRs should have an experimental use or research exemption (RE) provision. This chapter sets up a model to study some effects of a RE provision by comparing two IPR systems that are available for plants: utility patents and so-called plant breeders' rights (PBRs), which in the USA are implemented by the 1970 Plant Variety Protection Act (PVPA). Whereas PBRs allow for an RE, the US patent law does not have a statutory RE. The differences related to the RE provide the sharpest distinctions between patents and PBRs. The simple model and preliminary analysis presented in this chapter suggest that the RE inevitably weakens the ex ante incentive for private firms to innovate. Thus, when research is very costly and/or risky, as may be the case with pre-breeding germplasm development, an IPR system centred on the features of standard PBRs may not deliver the desired innovation incentive for private firms. Conversely, when research and development (R&D) costs are low, relative to the potential returns, the RE may be desirable because it ensures a larger pool of innovators in follow-up inventions.

Suggested Citation

  • Moschini, GianCarlo & Yerokhin, Oleg, 2007. "Economics Incentive to Innovate in Plants: Patents and Plant Breeders' Rights, The," Staff General Research Papers Archive 12895, Iowa State University, Department of Economics.
  • Handle: RePEc:isu:genres:12895
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    Cited by:

    1. Moschini, GianCarlo, 2010. "Competition Issues in the Seed Industry and the Role of Intellectual Property," Choices: The Magazine of Food, Farm, and Resource Issues, Agricultural and Applied Economics Association, vol. 25(2), pages 1-14.
    2. Mehdi Arzandeh & Derek G. Brewin, 2021. "R&D Investments in Plant Breeding under Changing Intellectual Property Rights," International Journal of Economics and Financial Issues, Econjournals, vol. 11(6), pages 32-47.
    3. Kolady, Deepthi & Spielman, David J. & Cavalieri, Anthony J., 2010. "Intellectual property rights, private investment in research, and productivity growth in Indian agriculture: A review of evidence and options," IFPRI discussion papers 1031, International Food Policy Research Institute (IFPRI).

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