With reference to the use of material and energy resources, we seek to • underline the need for a marked socio-ecological transition. Business-as-usual will fail in the face of an unprecendented rise in global demand, a rising price level and volatility of raw materials and indications of...

Most economic models struggle to incorporate biophysical relationships between materials, energy and emissions, in order to appropriately deal with biophysical constraints of supply (and possibly also demand). After the incorporation of biophysical constraints, some functions produced surprising...

Chapter 1 of this report reviews a number of approaches to conceptualize and operationalize biophysical constraints for economic performance. The starting point is a scoping study by Cambridge Econometrics and Sustainable Europe Research Institute (SERI) that reviews a large number of...