1. Faculty of Economics and Business; University of Groningen, Zernike; 9747AE Groningen Netherlands
2. University of Sheffield, Management School; Sheffield S10 1FL UK
3. City-REDI Institute, Birmingham Business School, Ash House; University of Birmingham; B15 2TT UK
4. PBL Netherlands Environmental Assessment Agency; Postbus 30314, 2500GH The Hague Netherlands
5. Erasmus University Rotterdam, Erasmus School of Economics and IHS; PO Box 1738 3000 DR Rotterdam Netherlands