A review of EU bio-economic models for fisheries:the value of a diversity of models

The lessons learned from a review of thirteen existing Europe an bio-economic models used in the evaluation of EU policies are presented.How the se models compare and differinterms of their biological and economic components,the integration between the components, which indicators are selected and how they are used,are described and analysed.The article concludes that the multitude of construction differences reflects the necessity of adapting the modelling approach to answer different questions. Since real life questions in fisheries are so diverse, answering them requires adiversity of models.