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Economic benefits of public investment in weed management: the case of vulpia in south-eastern Australia’s temperate pasture areas

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  • Vere, David T.
  • Jones, Randall E.
  • Griffith, Garry R.

Abstract

The present paper reports an economic evaluation of the long-term benefits to Australia of research by the Cooperative Research Centre for Weed Management Systems (CRC) into the improved management of vulpia , the major annual grass weed of temperate pastures in New South Wales and Victoria. Vulpia reduces livestock production by competition with more desirable pasture species, by the production of low quality feed at critical times of the grazing cycle, and by injury to animals. A 20-year stochastic benefit-cost analysis indicated that reducing the impacts of vulpia in these pastures produced a mean net present value of A58.3 million and a mean benefit-cost ratio of 33:1. Temperate pasture zone wool producers would capture the largest shares of these benefits, Australian consumers would gain, but wool producers in the rest of Australia would suffer welfare losses from vulpia reductions in the temperate pasture zones.

Suggested Citation

  • Vere, David T. & Jones, Randall E. & Griffith, Garry R., 2003. "Economic benefits of public investment in weed management: the case of vulpia in south-eastern Australia’s temperate pasture areas," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 47(4), pages 1-21.
    • Handle: RePEc:ags:aareaj:118162
    DOI: 10.22004/ag.econ.118162
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    File URL: https://ageconsearch.umn.edu/record/118162/files/j.1467-8489.2003.t01-1-00226.x.pdf
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    References listed on IDEAS

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    1. Marshall, Graham R. & Brennan, John P., 2001. "Issues in benefit-cost analysis of agricultural research projects," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 45(2), pages 1-19.
    2. Zhao, Xueyan & Griffiths, William E. & Griffith, Garry R. & Mullen, John D., 2000. "Probability distributions for economic surplus changes: the case of technical change in the Australian wool industry," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 44(1), pages 1-24.
    3. Davis, Jeffrey S., 1992. "Disaggregation rather than Mathematical Manipulation for Incorporating Research Impacts on Supply," 1992 Conference (36th), February 10-13, 1992, Canberra, Australia 146488, Australian Agricultural and Resource Economics Society.
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