This paper presents an integrated model for the economic and environmental assessment of the use of natural resources when new activities (i.e. biomass crops for energy production) are introduced into the farm production plan. The methodology is based on the integration of positive mathematical...

In 2006 the EU revised again its Generalised System of Preferences scheme which provides preferential access to developing country exports to the EU market. This paper examines the extent to which the 2006 revisions to the scheme improved market access opportunities for developing countries for...