The paper first outlines the challenges the global energy system is facing. It then summarises the present knowledge of energy efficient solutions in all energy using sectors from primary energy to useful energy and, more importantly, from useful energy to energy services (material efficiency...

Previous research using the German Socio-Economic Panel showed that immigrants moved slightly more fre-quently than native-born Germans. The research in this paper extends that work and examines the extent to which this increased mobility is translated into improved housing quality. Overall, we...