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Open access harvesting of wildlife: the poaching pit and conservation of endangered species

  • Bulte, Erwin H.

We extend the traditional G-S model of open access by defining a non-concave harvesting function. We demonstrate the possible existence of multiple equilibria and perverse comparative statics and show that small changes in the underlying economic parameters may trigger large jumps in species' abundance. Finally, we briefly discuss implications for management. © 2002 Elsevier Science B.V. All rights reserved.

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File URL: http://www.sciencedirect.com/science/article/B6T3V-460DDYY-2/2/1740878146cdff2b67795a3459afda2a
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Article provided by Blackwell in its journal Agricultural Economics.

Volume (Year): 28 (2003)
Issue (Month): 1 (January)
Pages: 27-37

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Handle: RePEc:eee:agecon:v:28:y:2003:i:1:p:27-37
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  1. Sanchirico, James N. & Wilen, James E., 1999. "Bioeconomics of Spatial Exploitation in a Patchy Environment," Journal of Environmental Economics and Management, Elsevier, vol. 37(2), pages 129-150, March.
  2. Berck, Peter & Perloff, Jeffrey M, 1984. "An Open-Access Fishery with Rational Expectations," Econometrica, Econometric Society, vol. 52(2), pages 489-506, March.
  3. Homans, Frances R. & Wilen, James E., 1997. "A Model of Regulated Open Access Resource Use," Journal of Environmental Economics and Management, Elsevier, vol. 32(1), pages 1-21, January.
  4. Barkley Rosser, J. Jr., 2001. "Complex ecologic-economic dynamics and environmental policy," Ecological Economics, Elsevier, vol. 37(1), pages 23-37, April.
  5. Robert J. Johnston & Jon G. Sutinen, 1996. "Uncertain Biomass Shift and Collapse: Implications for Harvest Policy in the Fishery," Land Economics, University of Wisconsin Press, vol. 72(4), pages 500-518.
  6. Farrow, Scott, 1995. "Extinction and market forces: two case studies," Ecological Economics, Elsevier, vol. 13(2), pages 115-123, May.
  7. Copes, Parzival, 1970. "The Backward-Bending Supply Curve Of The Fishing Industry," Scottish Journal of Political Economy, Scottish Economic Society, vol. 17(1), pages 69-77, February.
  8. Trond Bjorndal & Jon M. Conrad, 1987. "The Dynamics of an Open Access Fishery," Canadian Journal of Economics, Canadian Economics Association, vol. 20(1), pages 74-85, February.
  9. Erwin H. Bulte & G. Cornelis van Kooten, 1999. "Economics of Antipoaching Enforcement and the Ivory Trade Ban," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 81(2), pages 453-466.
  10. E. Milner-Gulland, 1993. "An econometric analysis of consumer demand for ivory and rhino horn," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 3(1), pages 73-95, February.
  11. James A. Brander & M. Scott Taylor, 1997. "International Trade and Open-Access Renewable Resources: The Small Open Economy Case," Canadian Journal of Economics, Canadian Economics Association, vol. 30(3), pages 526-52, August.
  12. J. Barkley Rosser, 1999. "On the Complexities of Complex Economic Dynamics," Journal of Economic Perspectives, American Economic Association, vol. 13(4), pages 169-192, Fall.
  13. H. Scott Gordon, 1954. "The Economic Theory of a Common-Property Resource: The Fishery," Journal of Political Economy, University of Chicago Press, vol. 62, pages 124.
  14. Bulte, Erwin H. & van Kooten, G. Cornelis, 1999. "Economic efficiency, resource conservation and the ivory trade ban," Ecological Economics, Elsevier, vol. 28(2), pages 171-181, February.
  15. Bell, Frederick W, 1972. "Technological Externalities and Common-Property Resources: An Empirical Study of the U. S. Northern Lobster Fishery," Journal of Political Economy, University of Chicago Press, vol. 80(1), pages 148-58, Jan.-Feb..
  16. Edward Barbier & Ivar Strand, 1998. "Valuing Mangrove-Fishery Linkages – A Case Study of Campeche, Mexico," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 12(2), pages 151-166, September.
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