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The Yield of Plant Variety Protection

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  • Russell Thomson

Abstract

The prospects for plant variety protection to deliver improved varieties of self-pollinating crops is assessed using the experience of the Australian wheat breeding sector as a natural experiment. The analysis is based on detailed new data on the agronomic performance of all wheat varieties released by Australian breeders between 1976 and 2011. The results indicate that plant variety protection, and associated reforms, led to a substantial fall in breeder output. Qualitative evidence indicates that this was caused by a combination of fewer research spillovers, lower release standards, and a possible fall in total investment in breeding.

Suggested Citation

  • Russell Thomson, 2015. "The Yield of Plant Variety Protection," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 97(3), pages 762-785.
    • Handle: RePEc:oup:ajagec:v:97:y:2015:i:3:p:762-785.
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    File URL: http://hdl.handle.net/10.1093/ajae/aau099
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    Cited by:

    1. Marc Baudry & Adrien Hervouet, 2017. "The private value of plant variety protection and the impact of exemption rules," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 26(3), pages 202-226, April.
    2. Ting Meng & Richard Carew & Wojciech J. Florkowski, 2020. "Determinants of the grant lag and the surrender lag of horticultural crop plant breeders’ rights applications: Survival analysis with competing risks," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 68(4), pages 489-512, December.
    3. Takeshima, Hiroyuki & Maji, Alhassan, 2016. "Varietal development and the effectiveness of seed sector policies: The case of rice in Nigeria:," NSSP working papers 34, International Food Policy Research Institute (IFPRI).
    4. Matthew S. Clancy & GianCarlo Moschini, 2017. "Intellectual Property Rights and the Ascent of Proprietary Innovation in Agriculture," Annual Review of Resource Economics, Annual Reviews, vol. 9(1), pages 53-74, October.

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