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Evaluating the genetic progress of wheat in NSW, 1992-2009

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  • Redmond, Thomas
  • Nolan, Elizabeth
  • Martin, Peter J.

Abstract

Intellectual Property Regimes (IPRs) have been justified on the basis that they promote innovation, but it is not always clear that they do so. Empirical studies of IPRs in an Australian context have been limited. Plant variety protection is one form of IPR. The passing of the Australian Plant Breeder’s Rights Act of 1994 has been followed by significant commercialisation of the wheat breeding industry. The purpose of this paper is to consider whether this commercialisation has benefited wheat productivity through varietal improvement. We estimate a linear crop production function, using a random effects Hausman Taylor estimator to evaluate differences in genetic contributions to productivity between public and private wheat varieties commercially released in NSW over the period 1992-2009 using crop varietal data. Results from the Hausman Taylor estimator show that private varieties, on average, have outperformed public varieties over the period, suggesting that Plant Breeder’s Rights has promoted productive innovation in wheat. However, when we consider the best performing genetics of the varieties, public varieties have, in some years, outperformed privately bred varieties.

Suggested Citation

  • Redmond, Thomas & Nolan, Elizabeth & Martin, Peter J., 2011. "Evaluating the genetic progress of wheat in NSW, 1992-2009," 2011 Conference (55th), February 8-11, 2011, Melbourne, Australia 100702, Australian Agricultural and Resource Economics Society.
  • Handle: RePEc:ags:aare11:100702
    DOI: 10.22004/ag.econ.100702
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    References listed on IDEAS

    as
    1. Christopher J. O'Donnell, 2010. "Measuring and decomposing agricultural productivity and profitability change ," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 54(4), pages 527-560, October.
    2. Hausman, Jerry A & Taylor, William E, 1981. "Panel Data and Unobservable Individual Effects," Econometrica, Econometric Society, vol. 49(6), pages 1377-1398, November.
    3. Chambers,Robert G., 1988. "Applied Production Analysis," Cambridge Books, Cambridge University Press, number 9780521314275, November.
    4. G. M.P. Swann, 2009. "The Economics of Innovation," Books, Edward Elgar Publishing, number 13211.
    5. Nolan, Elizabeth & Santos, Paulo, 2010. "Measuring the Contribution of Genetic Characteristics as an Indicator of Innovation: The Case of Corn in the USA, 1990-2009," 2010 Annual Meeting, July 25-27, 2010, Denver, Colorado 61333, Agricultural and Applied Economics Association.
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    Keywords

    Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies;

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