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Incentives for optimal management of age-structured fish populations

  • Quaas, Martin F.
  • Requate, Till
  • Ruckes, Kirsten
  • Skonhoft, Anders
  • Vestergaard, Niels
  • Voss, Rudi

We characterize optimal fishery management in an age-structured, bio-economic model where two age groups are harvested with costly and imperfect selectivity. We show that a system of tradable fishing permits, each allowing to harvest a specific number of fish that differs with age group, implements optimal age-structured harvesting, while traditional biomass quotas fail to solve the problem of growth overfishing. With our system, gear restrictions (such as mesh-size prescriptions) become obsolete. We apply our model to the Eastern Baltic cod fishery and quantify the benefits of optimal age-structured management.

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

Volume (Year): 35 (2013)
Issue (Month): 2 ()
Pages: 113-134

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Handle: RePEc:eee:resene:v:35:y:2013:i:2:p:113-134
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/505569

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