Sustainability has become a popular notion in current environmental policy analysis. Various definitions of this concept can be found in the literature. Analytically, the notion is relevant in the integration of socio-economic developments with environmental effects in order to obtain insight...

Data Envelopment Analysis (DEA) has become an established tool in comparative analyses of efficiency strategies in both the public and the private sector. The aim of this paper is to present and apply a newly developed, adjusted DEA model – emerging from a blend of a Distance Friction...