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Uncertain Biomass Shift and Collapse: Implications for Harvest Policy in the Fishery

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  • Robert J. Johnston
  • Jon G. Sutinen

Abstract

This paper addresses uncertain biomass shifts in renewable resources. A biomass shift occurs when a dominant renewable resource stock collapses and its ecosystem niche is filled by a replacement species which increases in abundance after the initial collapse. This paper develops a bioeconomic model for a fishery subject to random biomass shift. Optimal policy for three causes of biomass shift-environmental perturbation, overfishing, and a combination of these two factors-is derived and compared to optimal policy when the risk of biomass shift is not present. For each cause of biomass shift, the model allows for a valued and non-valued replacement species.

Suggested Citation

  • 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.
  • Handle: RePEc:uwp:landec:v:72:y:1996:i:4:p:500-518
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    Cited by:

    1. Bulte, Erwin H., 2003. "Open access harvesting of wildlife: the poaching pit and conservation of endangered species," Agricultural Economics, Blackwell, vol. 28(1), pages 27-37, January.
    2. Barkley Rosser, J. Jr., 2001. "Complex ecologic-economic dynamics and environmental policy," Ecological Economics, Elsevier, vol. 37(1), pages 23-37, April.
    3. Duncan Knowler, 2002. "A Review of Selected Bioeconomic Models with Environmental Influences in Fisheries," Journal of Bioeconomics, Springer, vol. 4(2), pages 163-181, May.
    4. Bulte, Erwin H., 2003. "Open access harvesting of wildlife: the poaching pit and conservation of endangered species," Agricultural Economics, Blackwell, vol. 28(1), pages 27-37, January.
    5. Poudel, Diwakar & Sandal, Leif K. & Kvamsdal, Sturla F., 2012. "Analyzing Risk of Stock Collapse in a Fishery under Stochastic Profit Maximization," Discussion Papers 2012/4, Norwegian School of Economics, Department of Business and Management Science.
    6. Diwakar Poudel & Leif K. Sandal & Sturla F. Kvamsdal, 2015. "Stochastically Induced Critical Depensation and Risk of Stock Collapse," Marine Resource Economics, University of Chicago Press, vol. 30(3), pages 297-313.
    7. Audrey Laporte & Brian Ferguson, 2007. "Investment in health when health is stochastic," Journal of Population Economics, Springer;European Society for Population Economics, vol. 20(2), pages 423-444, April.

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