Although most production activities involve multiple outputs, econometric models of production or cost functions normally involve only one single homogeneous output. The aim of this paper is to test the hypothesis that a multiproduct specification is superior to a model with a single homogenous...

Many economists maintain that environmental regulations hamper productivity growth. However, recently, an opposing view has gained advocates. Indeed, it has been suggested that the empirically detected inverse relationship between environmental regulations and productivity growth is an almost...

The Integration Pollution and Prevention Control (IPPC) directive from the European Union implies that the regulatory emission caps should be set in accordance with each industry's Best Available Techniques (BAT). The directive is under implementation in Norway, and it represents a refocus of...