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Non-cooperative exploitation of multi-cohort fisheries--The role of gear selectivity in the North-East Arctic cod fishery

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Author Info

  • Diekert, Florian K.
  • Hjermann, Dag Ø.
  • Nævdal, Eric
  • Stenseth, Nils Chr.

Abstract

North-East Arctic cod is shared by Russia and Norway. Taking its multi-cohort structure into account, how would optimal management look like? How would non-cooperative exploitation limit the obtainable profits? To which extent could the strategic situation explain today's over-harvesting? Simulation of a detailed bio-economic model reveals that the mesh size should be significantly increased, resulting not only in a doubling of economic gains, but also in a biologically healthier age-structure of the stock. The Nash equilibrium is close to the current regime. Even when effort is fixed to its optimal level, the non-cooperative choice of gear selectivity leads to a large dissipation of rents.

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Bibliographic Info

Article provided by Elsevier in its journal Resource and Energy Economics.

Volume (Year): 32 (2010)
Issue (Month): 1 (January)
Pages: 78-92

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Handle: RePEc:eee:resene:v:32:y:2010:i:1:p:78-92

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Web page: http://www.elsevier.com/locate/inca/505569

Related research

Keywords: Differential game Gear selectivity Multi-cohort fisheries North-East Arctic cod Optimal harvest policies;

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Cited by:
  1. Yasuhiro Takarada & Weijia Dong & Takeshi Ogawa, 2011. "Shared Renewable Resource and International Trade: Technical Measures for Resource Management," ERSA conference papers ersa11p449, European Regional Science Association.
  2. TAKARADA Yasuhiro, 2010. "Shared Renewable Resource and International Trade: Technical measures for fisheries management," Discussion papers 10035, Research Institute of Economy, Trade and Industry (RIETI).
  3. Florian Diekert & Dag Hjermann & Eric Nævdal & Nils Stenseth, 2010. "Spare the Young Fish: Optimal Harvesting Policies for North-East Arctic Cod," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 47(4), pages 455-475, December.
  4. 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.
  5. Skonhoft, Anders & Gong, Peichen, 2014. "Wild salmon fishing: Harvesting the old or young?," Resource and Energy Economics, Elsevier, vol. 36(2), pages 417-435.
  6. Sebastian Villasante & David Rodríguez-González & Manel Antelo, 2013. "On the Non-Compliance in the North Sea Cod Stock," Sustainability, MDPI, Open Access Journal, vol. 5(5), pages 1974-1993, May.

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