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Social costs of herbicide resistance: the case of resistance to glyphosate

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  • Marsh, Sally P.
  • Llewellyn, Rick S.
  • Powles, Stephen B.
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    Abstract

    Social costs and externalities associated with herbicide resistance have not generally been considered by economists. The economics of managing herbicide resistance in weeds has focused on cost-effective responses by growers to the development of resistance at the individual farm and field level. In this paper we argue that the increasing possibility of widespread glyphosate resistance presents a case where social costs associated with glyphosate resistance need to be considered when assessing optimal use of this herbicide resource at the farm level. Social costs associated with the loss of glyphosate efficacy include potential failure of herbicide-resistant crop systems, reduced use of conservation tillage techniques, and a potential greater reliance on herbicides with greater health and environmental risks.

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    File URL: http://purl.umn.edu/139881
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    Bibliographic Info

    Paper provided by Australian Agricultural and Resource Economics Society in its series 2006 Conference (50th), February 8-10, 2006, Sydney, Australia with number 139881.

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    Date of creation: 2006
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    Handle: RePEc:ags:aare06:139881

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    Related research

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

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    1. Laxminarayan, Ramanan, 2003. "ACT Now or Later: The Economics of Malaria Resistance," Discussion Papers dp-03-51, Resources For the Future.
    2. Solow, Robert M, 1974. "The Economics of Resources or the Resources of Economics," American Economic Review, American Economic Association, vol. 64(2), pages 1-14, May.
    3. Sandra S. Batie, 2003. "The Environmental Impacts of Genetically Modified Plants: Challenges to Decision Making," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 85(5), pages 1107-1111.
    4. Mike Young, 1999. "Costing Dust: How much does wind erosion cost the people of South Australia?," Natural Resource Management Economics 99_001, Policy and Economic Research Unit, CSIRO Land and Water, Adelaide, Australia.
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