Blar i NHH Brage på emneord "bioeconomic modelling"

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    • Benefits of stock enhancement: The case of the Iranian kutum fishery 

      Steinshamn, Stein Ivar; Borujeni, Pezhman Alaei (Working paper;14/14, Working paper, 2014-12)
      Harvesting of the fish resources as an economic activity, which is strictly tied to biological matters, needs to be modeled proficiently through bioeconomic analysis. In this study, a bioeconomic age-structured model is ...

    • Continuous harvesting costs in sole-owner fisheries with increasing marginal returns 

      Sandal, Leif Kristoffer; Steinshamn, Stein Ivar; Maroto, Jose M.; Moran, Manuel (Working paper, Working paper, 2009-06)
      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. ...

    • Continuous harvesting costs in sole-owner fisheries with increasing marginal returns 

      Maroto, Jose M.; Moran, Manuel; Sandal, Leif Kristoffer; Steinshamn, Stein Ivar (Discussion paper, 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. ...

    • Generalization of age-structured bioeconomic models in theory and practice 

      Steinshamn, Stein Ivar (Working paper, Working paper, 2010-08)
      The harvesting functions and the stock dynamics in age-structured bioeconomic models are generalized in order to incorporate density dependence. Using this generalization anything from completely uniformly distributed fish ...

    • Predators in the market: implications of market interaction on optimal resource management 

      Steinshamn, Stein Ivar (Journal article; Peer reviewed, 2017)
      A two-species bioeconomic model is analyzed, but in contrast to most similar models, there is no biological interaction between the species, only economic. The interaction takes place in the market where the quantity of ...