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Predator-Prey Systems In Pest Management


  • Harper, Carolyn R.


The use of chemical pesticides frequently causes minor pests to become serious problems by disturbing the natural controls that keep them in check. As a result, it is possible to suffer heavier crop losses after pesticides are introduced than before their introduction. Efficient use of pesticides requires complete biological modeling that takes the appropriate predator-prey relationships into account. A bioeconomic model is introduced involving three key species: a primary target pest, a secondary pest, and a natural enemy of the secondary pest. Optimal decision rules are derived and contrasted with myopic decision making, which treats the predator-prey system as an externality. The issue of resistance in the secondary pest is examined briefly.

Suggested Citation

  • Harper, Carolyn R., 1991. "Predator-Prey Systems In Pest Management," Northeastern Journal of Agricultural and Resource Economics, Northeastern Agricultural and Resource Economics Association, vol. 20(1), April.
  • Handle: RePEc:ags:nejare:28823

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    References listed on IDEAS

    1. Feder, G. & Regev, U., 1975. "Biological interactions and environmental effects in the economics of pest control," Journal of Environmental Economics and Management, Elsevier, vol. 2(2), pages 75-91, December.
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    Cited by:

    1. Grogan, Kelly A., 2013. "When Ignorance Is Not Bliss: Pest Control Decisions Involving Beneficial Insects," 2013 Annual Meeting, August 4-6, 2013, Washington, D.C. 149610, Agricultural and Applied Economics Association.
    2. Grogan, Kelly A., 2014. "When ignorance is not bliss: Pest control decisions involving beneficial insects," Ecological Economics, Elsevier, vol. 107(C), pages 104-113.
    3. Marten, Alex L. & Moore, Christopher C., 2011. "An options based bioeconomic model for biological and chemical control of invasive species," Ecological Economics, Elsevier, vol. 70(11), pages 2050-2061, September.

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    Crop Production/Industries;


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