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Bioeconomies of scope and the discard problem in multiple-species fisheries

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  • Singh, Rajesh
  • Weninger, Quinn

Abstract

We consider the problem of multi-species fisheries management when targeting individual species is costly and at-sea discards of fish by fishermen are unobserved by the regulator. Stock conditions, ecosystem interaction, technological specification, and relative prices under which at-sea discards are acute are identified. A dynamic model is developed to balance ecological interdependencies among multiple fish species, and scope economies implicit in a costly targeting technology. Three regulatory regimes, species-specific harvest quotas, landing taxes, and revenue quotas, are contrasted against a hypothetical sole-owner problem. An optimal plan under all regimes precludes discarding. For both very low and very high levels of targeting costs, first best welfare is close to that achieved through any of the regulatory regimes. In general, however, landing taxes welfare dominate species-specific quota regulation; a revenue quota fares the worst.

Suggested Citation

  • Singh, Rajesh & Weninger, Quinn, 2009. "Bioeconomies of scope and the discard problem in multiple-species fisheries," ISU General Staff Papers 200907010700001250, Iowa State University, Department of Economics.
    • Handle: RePEc:isu:genstf:200907010700001250
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    Cited by:

    1. Aaron Hatcher, 2014. "Implications of a Discard Ban in Multispecies Quota Fisheries," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 58(3), pages 463-472, July.
    2. Aaron Hatcher, 2022. "A Model of Quota Prices in a Multispecies Fishery with “Choke” Species and Discarding," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 82(4), pages 825-846, August.
    3. Anders Skonhoft & Niels Vestergaard & Martin Quaas, 2012. "Optimal Harvest in an Age Structured Model with Different Fishing Selectivity," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 51(4), pages 525-544, April.
    4. Stephen Kasperski, 2015. "Optimal Multi-species Harvesting in Ecologically and Economically Interdependent Fisheries," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 61(4), pages 517-557, August.
    5. Singh, Rajesh & Weninger, Quinn, 2012. "Harvesting uncertainty and discards in multiple-species fisheries," ISU General Staff Papers 201208240700001072, Iowa State University, Department of Economics.
    6. Rong Zhou & Kathleen Segerson, 2016. "Individual vs. Collective Approaches to Fisheries Management," Marine Resource Economics, University of Chicago Press, vol. 31(2), pages 165-192.
    7. Veyssiere, Luc Pierre & Weninger, Quinn, 2009. "Fishing behavior across space and time," ISU General Staff Papers 200908100700001156, Iowa State University, Department of Economics.
    8. Singh, Rajesh & Weninger, Quinn, "undated". "Discretion rather than rules in multiple-species fisheries," ISU General Staff Papers 202311071438390000, Iowa State University, Department of Economics.
    9. Singh, Rajesh & Weninger, Quinn, 2017. "Spatial and seasonal equilibrium harvesting in quota-managed multispecies fisheries," ISU General Staff Papers 201708300700001033, Iowa State University, Department of Economics.
    10. Holland, Daniel S. & Jannot, Jason E., 2012. "Bycatch risk pools for the US West Coast Groundfish Fishery," Ecological Economics, Elsevier, vol. 78(C), pages 132-147.
    11. Yue Tan & Sunny L. Jardine, 2019. "Considering Economic Efficiency in Ecosystem-Based Management: The Case of Horseshoe Crabs in Delaware Bay," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 72(2), pages 511-538, February.
    12. repec:isu:genstf:200901010800001958 is not listed on IDEAS
    13. Florian Diekert, 2012. "Growth Overfishing: The Race to Fish Extends to the Dimension of Size," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 52(4), pages 549-572, August.
    14. Holzer, Jorge & DePiper, Geret, 2019. "Intertemporal quota arbitrage in multispecies fisheries," Journal of Environmental Economics and Management, Elsevier, vol. 93(C), pages 185-207.
    15. Quaas, Martin F. & Requate, Till & Ruckes, Kirsten & Skonhoft, Anders & Vestergaard, Niels & Voss, Rudi, 2013. "Incentives for optimal management of age-structured fish populations," Resource and Energy Economics, Elsevier, vol. 35(2), pages 113-134.
    16. Singh, Rajesh & Weninger, Quinn, 2017. "Quota flexibility in multi-species fisheries," ISU General Staff Papers 201707260700001026, Iowa State University, Department of Economics.
    17. Rajesh Singh & Quinn Weninger, 2015. "Cap-and-trade Bycatch Management with Costly Avoidance and Stock Uncertainty," Marine Resource Economics, University of Chicago Press, vol. 30(1), pages 97-119.
    18. Helgesen, Irmelin Slettemoen & Skonhoft, Anders & Eide, Arne, 2018. "Maximum Yield Fishing and Optimal Fleet Composition. A Stage Structured Model Analysis With an Example From the Norwegian North-East Arctic Cod Fishery," Ecological Economics, Elsevier, vol. 153(C), pages 204-217.
    19. Singh, Rajesh & Weninger, Quinn, 2017. "Quota flexibility in multi-species fisheries," ISU General Staff Papers 201707080700001026, Iowa State University, Department of Economics.
    20. Singh, Rajesh & Weninger, Quinn, 2024. "Discretion rather than rules in multiple-species fisheries," Journal of Environmental Economics and Management, Elsevier, vol. 125(C).
    21. Kasperski, Stephen, 2016. "Optimal multispecies harvesting in the presence of a nuisance species," Marine Policy, Elsevier, vol. 64(C), pages 55-63.
    22. 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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    JEL classification:

    • Q20 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - General

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