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Sea-turtle bycatch management in rights-based fisheries under stock uncertainty

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  • Singh, Rajesh
  • Weninger, Quinn

Abstract

Regulations to reduce bycatch of non-marketed marine species often attempt to reduce encounters and bycatch mortality by reducing fishing effort and/or harvest of target species, spatial and temporal closures of the fishing ground, and gear restrictions. These regulations can exact significant social costs in commercial fisheries. We develop a stochastic general equilibrium framework that facilitates performance evaluation of an alternative, tradeable quota-based bycatch management policy. We examine fishing behavior, i.e., harvest of the target fish species and costly avoidance of the bycatch species, and bio-economic performance in a stochastic production environment with and without observability of� bycatch, and with and without trade in harvest quotas and bycatch caps. Our results suggest that a precise implementation of a socially optimal management plan is possible only if bycatch is observable and a market for trade in fish quotas and bycatch cap functions costlessly. Non-quota-based regulations, which can be implemented without observability, do not achieve first-best bycatch avoidance and therefore raise fishing costs.

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Bibliographic Info

Paper provided by Iowa State University, Department of Economics in its series Staff General Research Papers with number 35320.

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Date of creation: 07 Aug 2012
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Handle: RePEc:isu:genres:35320

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Postal: Iowa State University, Dept. of Economics, 260 Heady Hall, Ames, IA 50011-1070
Phone: +1 515.294.6741
Fax: +1 515.294.0221
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Web page: http://www.econ.iastate.edu
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Keywords: sea-turtles; by-catch;

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  1. Boyce, John R., 1996. "An Economic Analysis of the Fisheries Bycatch Problem," Journal of Environmental Economics and Management, Elsevier, vol. 31(3), pages 314-336, November.
  2. Abbott, Joshua K. & Wilen, James E., 2009. "Regulation of fisheries bycatch with common-pool output quotas," Journal of Environmental Economics and Management, Elsevier, vol. 57(2), pages 195-204, March.
  3. repec:ags:mareec:121870 is not listed on IDEAS
  4. Turner, Matthew A., 1997. "Quota-Induced Discarding in Heterogeneous Fisheries," Journal of Environmental Economics and Management, Elsevier, vol. 33(2), pages 186-195, June.
  5. Singh, Rajesh & Weninger, Quinn, 2009. "Bioeconomies of scope and the discard problem in multiple-species fisheries," Journal of Environmental Economics and Management, Elsevier, vol. 58(1), pages 72-92, July.
  6. Holland, D.S., 2010. "Markets, pooling and insurance for managing bycatch in fisheries," Ecological Economics, Elsevier, vol. 70(1), pages 121-133, November.
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