1. Environment and Production Technology Division, International Food Policy Research Institute, Washington, DC 20005, USA;
2. Environmental Change Institute, University of Oxford, Oxford OX1 3QY, United Kingdom;,
3. Sustainable Food Economies Research Group, KU Leuven, 3001 Leuven, Belgium;
4. Charles H. Dyson School of Applied Economics and Management, Cornell University, Ithaca, New York 14853, USA;
5. Applied Mathematics Department, Virginia Military Institute, Lexington, Virginia 24450, USA;
6. Center for Global Food and Resources, University of Adelaide, Adelaide SA 5005, Australia;
7. Business School, Faculty of Business, Law and Politics, University of Hull, Hull HU6 7RX, United Kingdom;
8. Copernicus Institute of Sustainable Development, Utrecht University, 3584 CS Utrecht, The Netherlands;
9. PBL Netherlands Environmental Assessment Agency, 2500 GH The Hague, The Netherlands;