-temporal realm, we find that dynamic efficiency is a necessary but not sufficient condition for a notion of sustainability that has … normative standing as a goal for public policy. We define sustainability as dynamic efficiency plus intergenerational equity …. Further, we argue that it is not unreasonable for economists to focus on the efficiency element, leaving equity considerations …

This paper provides new empirical evidence on regional-national disparities in environmental efficiency, based on case … of environmental efficiency and on sector specificity. This confirms the usefulness of this method for studying the … environmental economics realm, in order to investigate structural and efficiency factors at the level of within country …

dilemma with efficiency. In the second study, we analyze the consequences of the choice between giving free permits to firms … efficiency and pollution effect. We define a theoretical indicator of environmental efficiency and we analyze its properties. …