A Conceptional Analysis of Dynamics and Production in Bioeconomic Models

10 Pages Posted: 8 Apr 2020

See all articles by Stein Ivar Steinshamn

Stein Ivar Steinshamn

Norwegian School of Economics (NHH) - Department of Business and Management Science

Date Written: April 2011

Abstract

Harvesting functions and stock dynamic equations in age‐structured bioeconomic models are generalized in order to incorporate density dependence. Using this generalization, anything from completely uniformly distributed fish to extreme schooling can be analyzed. The classical Beverton–Holt model comes out as a special case of the generalized model. The generalization can be applied both for simulation as well as for optimization purposes given appropriate software. Conceptual analysis indicates that pulse fishing seems to become less and less economically profitable as we move from uniformly distributed fish to schooling species. This has important implications for how fish stocks ought to be managed.

Keywords: age‐structured models, bioeconomic modeling, optimal harvesting, population dynamics, pulse fishing

Suggested Citation

Steinshamn, Stein Ivar, A Conceptional Analysis of Dynamics and Production in Bioeconomic Models (April 2011). American Journal of Agricultural Economics, Vol. 93, Issue 3, pp. 803-812, 2011, Available at SSRN: https://ssrn.com/abstract=3570826 or http://dx.doi.org/10.1093/ajae/aar007

Stein Ivar Steinshamn (Contact Author)

Norwegian School of Economics (NHH) - Department of Business and Management Science ( email )

Helleveien 30
Bergen, NO-5045
Norway

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