1. Department of Environmental Economics, Institute for Environmental Studies, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
2. Tinbergen Institute, Amsterdam/Rotterdam, Netherlands
3. Department of Economics and The Water Institute University of Waterloo, Waterloo, Canada
4. Department of Economics, University of Sussex, Falmer, UK
5. Department of Spatial Economics, Vrije Universiteit, Amsterdam, Netherlands
6. CESifo, Munich, Germany