1. Department of Agricultural, Food and Resource Economics, Rutgers University, New Brunswick, NJ, USA;
2. Office of Research Analytics, Rutgers University, New Brunswick, NJ, USA;
3. Center for Great Plains Studies, University of Nebraska-Lincoln, Lincoln, NE, USA;
4. Department of Agricultural and Resource Economics, University of Maryland, MD, USA;
5. Department of Agricultural Economics and Rural Sociology, Auburn University, AL, USA;
6. Department of Agricultural, Food and Resource Economics, Rutgers University, NJ, USA