1. Institute
of Environmental Sciences (CML), Leiden University, P.O. Box
9518, 2300 RA Leiden, The Netherlands
2. Sustainability
Assessment Unit, European Commission, DG Joint Research Centre, Institute for Environment and Sustainability, Via Enrico Fermi, 2749, 21027 Ispra Varese, Italy
3. Division
for Quantitative Sustainability Assessment (QSA), Department of Management
Engineering, Technical University of Denmark (DTU), Anker Engelunds
Vej 1, 2800 Kongens Lyngby, Denmark
4. Department
of Econometrics and Operations Research, VU University Amsterdam, De Boelelaan 1105, 1081 HV Amsterdam, The Netherlands