[Einleitung] Chancen und Risiken der Gewinnung von Erdgas oder -öl aus unkonventionellen Lagerstätten und das dabei zum Einsatz kommende Verfahren des Hydraulic Fracturing (Fracking, deutsch: aufbrechen) werden derzeit in der Politik und Öffentlichkeit intensiv diskutiert. Als...

This paper discusses unilateral sustainability policies for tradable resources in closed and open economies. The effects of sustainability policies are modelled in an intertemporal, competitive framework by applying different sustainability rules which are introduced unilaterally in the domestic...

To show global leadership and to foster the international negotiations for a long term international climate regime the EU has decided to reduce its GHG emissions by 20% relative to 1990 until the year 2020. These reductions will even rise to 30% if there is an international agreement committing...