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Cheating about the cod

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  • Hannesson, Rögnvaldur

Abstract

The Northeast Arctic cod is managed by a total quota shared evenly between Norway and Russia. It appears that Russia has been overfishing its quota by substantial amounts for a number of years, due to insufficient monitoring of fishing vessels. This paper considers what would be the best reply by Norway to given levels of Russian overfishing. It is found that in most cases the best Norwegian reply would be also to overfish its quota. An aggregate biomass model with stochastic growth and recruitment is used to analyze this question, with parameters estimated from 1946 to 2005 data. Recruitment is serially correlated but apparently independent of the spawning stock. A model using the estimated serial correlation in recruitment and a random disturbance is capable of reproducing recruitment patterns similar to the irregular pattern observed since 1946.

Suggested Citation

  • Hannesson, Rögnvaldur, 2007. "Cheating about the cod," Marine Policy, Elsevier, vol. 31(6), pages 698-705, November.
    • Handle: RePEc:eee:marpol:v:31:y:2007:i:6:p:698-705
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    Citations

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    Cited by:

    1. Diekert, Florian K. & Hjermann, Dag Ø. & Nævdal, Eric & Stenseth, Nils Chr., 2010. "Non-cooperative exploitation of multi-cohort fisheries--The role of gear selectivity in the North-East Arctic cod fishery," Resource and Energy Economics, Elsevier, vol. 32(1), pages 78-92, January.
    2. Rögnvaldur Hannesson, 2011. "When is fish quota enforcement worth while? A study of the Northeast Arctic cod," Journal of Bioeconomics, Springer, vol. 13(2), pages 139-160, July.
    3. Kvamsdal, Sturla F. & Sandal, Leif K., 2012. "The Ensemble Kalman Filter in Bioeconomics," Discussion Papers 2012/5, Norwegian School of Economics, Department of Business and Management Science.
    4. Diekert, Florian K. & Hjermann, Dag Ø. & Nævdal , Eric & Stenseth , Nils Chr., 2008. "Optimal Age- and Gear-specific Harvesting Policies for North-East Arctic Cod," Memorandum 16/2008, Oslo University, Department of Economics.
    5. Florian Diekert & Dag Hjermann & Eric Nævdal & Nils Stenseth, 2010. "Spare the Young Fish: Optimal Harvesting Policies for North-East Arctic Cod," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 47(4), pages 455-475, December.
    6. Asche, Frank & Bjørndal, Marianne Tranberg & Bjørndal, Trond, 2014. "Development in fleet fishing capacity in rights based fisheries," Marine Policy, Elsevier, vol. 44(C), pages 166-171.
    7. Trond Bjørndal & Marko Lindroos, 2012. "Cooperative and non-cooperative management of the Northeast Atlantic cod fishery," Journal of Bioeconomics, Springer, vol. 14(1), pages 41-60, April.

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