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Comparative evaluation of the fisheries policies in Denmark, Iceland and Norway : multispecies and stochastic issues
(Report2007:25, Research report, 2008-01)
In this report the fisheries policies in Denmark, Iceland and Norway are subject to evaluation in a comparative perspective with particular emphasis on multi-species interaction and uncertainty. The actual harvest and ...
Optimal fishing policy for two species in a three-species predator-prey model: The case of capelin, cod and juvenile herring in the Barents Sea
(Discussion paper2007:29, Working paper, 2007-12)
This paper presents a management model for the Barents Sea capelin and cod fisheries including juvenile herring in the biological model as the young herring influences the cod-capelin system. The objective of the study is ...
Continuous harvesting costs in sole-owner fisheries with increasing marginal returns
(Discussion paper2009:6, Working paper, 2009-09)
We develop a bioeconomic model to analyze a sole-owner fishery with fixed costs as well as a continuous cost function for the generalized Cobb-Douglas production function with increasing marginal returns to effort level. ...
Approximating closed form solutions to a class of feedback policies
(Discussion paper2009:8, Working paper, 2009-09)
Dynamic optimization problems cover a large class of problems in theoretical and applied economics. A simple iterative algorithm with fast convergence is proposed. It is demonstrated that the algorithm in a few steps ...
The premium of marine protected areas : a simple valuation model
(Working paper2007:6, Working paper, 2007-03)
Marine Protected Areas are considered as a hedging tool against some of the uncertainties that trouble many fisheries today. Such tools are always connected with a cost; a premium. An optimal harvest rule is combined with ...