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Economic Benefits of Dolphins in the United States Eastern Tropical Pacific Purse-Seine Tuna Industry

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  • John Haraden
  • Samuel Herrick
  • Dale Squires
  • Clement Tisdell

Abstract

This paper provides a profit-maximizing modelwith vessel-level dolphin mortality limits forpurse seiners harvesting tunas in the easterntropical Pacific Ocean. The model analyticallyderives the shadow price (estimated economicvalue) for dolphin mortality, the fishing-fleetsize, and the annual tuna harvest as functionsof a few key fishing parameters. The model alsoprovides a statistical method to determine theaccuracy of all needed parameter estimates. Thepaper then applies the model to the year 1996and the period from 1985 to 1987. The shadowprice measures the economic value to the UStuna fleet of dolphins lost in the harvestingof tuna. This value is essential whenattempting to evaluate the economic benefitsand costs to society of any action designed toreduce the mortality of dolphins in theharvesting of tuna in the eastern tropicalPacific Ocean. Copyright Kluwer Academic Publishers 2004

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Bibliographic Info

Article provided by European Association of Environmental and Resource Economists in its journal Environmental and Resource Economics.

Volume (Year): 28 (2004)
Issue (Month): 4 (August)
Pages: 451-468

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Handle: RePEc:kap:enreec:v:28:y:2004:i:4:p:451-468

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Web page: http://www.springerlink.com/link.asp?id=100263

Related research

Keywords: mixed good; purse seine; quota shares; shadow price; tuna–dolphin;

References

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  1. Neary, J Peter, 1985. "International Factor Mobility, Minimum Wage Rates, and Factor-Price Equalization: A Synthesis," The Quarterly Journal of Economics, MIT Press, vol. 100(3), pages 551-70, August.
  2. Nordhaus, William, 1982. "How Fast Should We Graze the Global Commons?," American Economic Review, American Economic Association, vol. 72(2), pages 242-46, May.
  3. Squires Dale & Alauddin Mohammad & Kirkley James, 1994. "Individual Transferable Quota Markets and Investment Decisions in the Fixed Gear Sablefish Industry," Journal of Environmental Economics and Management, Elsevier, vol. 27(2), pages 185-204, September.
  4. Tisdell, Clement A., 2010. "Conservation Value," Economics, Ecology and Environment Working Papers 90879, University of Queensland, School of Economics.
  5. Douglas M. Larson & Brett W. House & Joseph M. Terry, 1998. "Bycatch Control in Multispecies Fisheries: A Quasi-rent Share Approach to the Bering Sea/Aleutian Islands Midwater Trawl Pollock Fishery," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 80(4), pages 778-792.
  6. Squires, Dale, 1994. "Firm behavior under input rationing," Journal of Econometrics, Elsevier, vol. 61(2), pages 235-257, April.
  7. Kuronuma, Yoshihiro & Tisdell, Clement A., 1993. "Institutional management of an international mixed good : The IWC and socially optimal whale harvests," Marine Policy, Elsevier, vol. 17(4), pages 235-250, July.
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