The theory and practice of economic integration have traditionally focussed on aspects of resource allocation. Except for the debate on optimal currency areas in the 1960s, which did not significantly influence regional integration efforts at the time, there has been relatively little analytical...

Biofuels and other forms of bioenergy have received increased attention in recent times: They have partly been acclaimed as an instrument to contribute to rural development, energy security and to fight global warming but have been increasingly come under attack for their potential to contribute...