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Methodological Reflections On The Short-Run Johansen Industry Model In Relation To Capacity Management, Kristriaan Kerstens, Dale Squires, Niels Vestergaard

Niels Vestergaard

The specification of a convex production technology is a potential issue in estimating firm-level Johansen plant capacity utilisation rates and their subsequent use in the short-run Johansen industry capacity model of the fishery. There are different plant capacity utilisation estimates with convex and nonconvex technologies. When entered as parameters in the short-run Johansen industry model, this leads to different distributions in the activity vectors. With non-convex technology, more vessels remain active in the fleet, and there is no longer an overestimation of the number of decommissioned vessels compared to the use of a convex technology. A second methodological reflection involves …