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Economics Of Managing Invasive Pest Species: Exclusion And Control


  • Lewandrowski, Jan
  • Kim, C.S.


An important policy decision in managing invasive species is how to allocate resources between activities aimed at preventing the arrival of new pests - including additional arrivals of existing pests - and activities aimed at reducing the damages done by species that are already here. We develop a dynamic model for managing a generic invasive pest with an uncertain arrival date. The optimal conditions reveal that it is generally more efficient to spend a larger share of outlays for exclusion activities before a species arrives than after it is known to be here. They also show that outlays should be allocated such that the marginal costs of control measures equal the benefits from the marginal reduction of the species' population growth rate, and the marginal costs of exclusion measures equal the benefits from the marginal reduction of the rate of subsequent arrivals.

Suggested Citation

  • Lewandrowski, Jan & Kim, C.S., 2003. "Economics Of Managing Invasive Pest Species: Exclusion And Control," 2003 Annual meeting, July 27-30, Montreal, Canada 21948, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  • Handle: RePEc:ags:aaea03:21948

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    References listed on IDEAS

    1. Ray Huffaker & Kevin Cooper, 1995. "Plant Succession as a Natural Range Restoration Factor in Private Livestock Enterprises," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 77(4), pages 901-913.
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    Cited by:

    1. Tu, Anh Thuy & Beghin, John C., 2005. "Tariff Escalation and Invasive Species Risk," 2005 Annual meeting, July 24-27, Providence, RI 19518, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    2. Tu, Anh Thuy & Beghin, John & Gozlan, Estelle, 2008. "Tariff escalation and invasive species damages," Ecological Economics, Elsevier, vol. 67(4), pages 619-629, November.

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    Environmental Economics and Policy;


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