1. Boston University School of Law, Boston, MA, USA
2. Department of Agricultural and Resource Economics, University of Arizona, Tucson, AZ, USA
3. Department of Agricultural, Food, and Resource Economics, Michigan State University, East Lansing, MI, USA
4. Department of Applied Economics and Statistics, University of Delaware, Newark, DE, USA
5. Carey Business School and the Department of Environmental Health and Engineering, Johns Hopkins University, Baltimore, MD, USA