Econometric testing of spatial productivity spillovers from public capital

The management by means of taxes of a fishery in which the fishing technology of the fleets has different effects on resource is analysed in this paper. This effect can be included in the natural growth of the marine resource function itself. The results show that the tax equilibrium level depends on shadow price, marginal productivity of the effort and effect of each gear on natural growth. The fleet that has a greater impact on resource will pay a higher rate of tax. And this rate will fall as the fleet in question improves its degree of fishing selectivity. Likewise we present some economic policy recommendations for this fishery.