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Wildlife Conservation Payments to Address Habitat Fragmentation and Disease Risks

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Author Info

  • Horan, Richard D.
  • Shogren, Jason F.
  • Gramig, Benjamin M.

Abstract

We build a stylized model to gain insights into the application of conservation payments to protect endangered species in the face of wildlife-livestock disease risks and habitat fragmentation. Greater connectivity of habitat creates an endogenous trade-off. More connectedness ups the chance that populations of endangered species will grow more rapidly; however, greater connectivity also increases the likelihood that diseases will spread more quickly. We analyze subsidies for both habitat connectedness and livestock vaccination. We find the cost-effective policy is to initially subsidize habitat connectivity rather than vaccinations; this increases habitat contiguousness, which eventually also increases disease risks. Once habitat is sufficiently connected, disease risks increase to such a degree to make a vaccination subsidy worthwhile. Highly connected habitat requires nearly all the government budget be devoted to vaccination subsidies. The result of the conservation payments is significantly increased species abundance, for a wide range of initial levels of habitat connectedness.

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Bibliographic Info

Paper provided by American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association) in its series 2006 Annual meeting, July 23-26, Long Beach, CA with number 21076.

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Date of creation: 2006
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Handle: RePEc:ags:aaea06:21076

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Keywords: Environmental Economics and Policy;

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  1. Ehrlich, Isaac & Becker, Gary S, 1972. "Market Insurance, Self-Insurance, and Self-Protection," Journal of Political Economy, University of Chicago Press, vol. 80(4), pages 623-48, July-Aug..
  2. Shogren, Jason F. & Crocker, Thomas D., 1991. "Risk, Self-Protection, and Ex Ante Economic Value," Staff General Research Papers 334, Iowa State University, Department of Economics.
  3. Richard D. Horan & Christopher A. Wolf, 2005. "The Economics of Managing Infectious Wildlife Disease," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 87(3), pages 537-551.
  4. Thomas Crocker & John Tschirhart, 1992. "Ecosystems, externalities, and economies," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 2(6), pages 551-567, November.
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Cited by:
  1. Horan, Richard D. & Melstrom, Richard T., 2011. "No sympathy for the devil," Journal of Environmental Economics and Management, Elsevier, vol. 62(3), pages 367-385.
  2. Ando, Amy Whritenour & Shah, Payal, 2009. "Demand-Side Factors in Optimal Land Conservation Choice," 2009 Annual Meeting, July 26-28, 2009, Milwaukee, Wisconsin 49209, Agricultural and Applied Economics Association.

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