1. Department of Sociology, Michigan State University, East Lansing, MI, USA
2. Department of Sociology, Iowa State University, Ames, IA, USA
3. Department of Agricultural and Resource Economics, University of Arizona, Tuscan, AZ, USA
4. Department of Environmental Management & Economics, Portland State University, Portland, OR, USA
5. Institute for Sustainable Solutions, Portland State University, Portland, OR, USA
6. Department of Agronomy, Iowa State University, Ames, IA, USA