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Development of fishers' behaviour models

Deliverable 12b is the report detailing the work undertaken towards the development of state-of-the-art empirical behaviour models. Firstly, a review of the modelling of fishermen’s choice is given, categorising behaviour under effort allocation (e.g. location choice and optimal foraging), entry-exit, compliance and discarding. The method of random utility (or discrete choice) modelling is one of the important surrounding the empirical modelling of behaviour.

This is then applied to case studies looking at both short-term (choices of gear, species and areas) and long-term behaviour (entry-stay-exit decisions). Case studies for the Basque trawl fleet, the English beam trawl fleet operating in the North Sea, the Danish North Sea gillnet fleet, the South-Brittany trawl fleet and the Galician fleet in the Celtic Sea are developed.

In addition, to random utility models, other empirical modelling approaches were investigated that considered: an agent-based approach for modelling fleet response, an impact analysis of fuel prices and an analysis of the characteristics of fishers and their behaviour strategies following area closures. In addition to these specific studies, a general introduction to the economic behaviour of producers is also provided. All of the case studies developed for this component of the project have been presented at conference and appear in proceedings, and the majority have been submitted for publication in peer-reviewed journals.

The results and experiences gained from this component of the project have been used in the development of simulation models. Their use is also likely to extend beyond this project into other EU and nationally funded studies.

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