1. Department of Business and Economics Berlin School of Economics and Law (HWR Berlin) Berlin Germany
2. Applied Choice Research Group Management School, University of Stirling Stirling UK
3. School of Biodiversity, One Health & Veterinary Medicine University of Glasgow Glasgow UK
4. George Perkins Marsh Institute and Department of Economics Clark University Worcester Massachusetts USA
5. George Perkins Marsh Institute Clark University Worcester Massachusetts USA
6. Department of Economics Clark University Worcester Massachusetts USA
7. Department of Economics, Business School University of Aberdeen Aberdeen UK