Optimal fleet size in the English Channel: a multi-objective programming approach

A multi-species, multi-metier bioeconomic optimisation model of the English Channel is used to estimate the optimal fleet size and configuration from both a multi-objective and profit-maximising perspective. The multiple objectives incorporated into the analysis are maximising overall economic profits, maintaining employment and ensuring 'relative stability' between France and the UK. Trade-offs between employment and economic profits are examined, and the effects of the European policy of 'relative stability' on the efficient management of the fleet is considered. The effects of price variability to profitability, and the effects of varying recruitment are also considered.