1. PhD Candidate, Department of Agricultural Economics, Purdue University, 403 West State Street, Lafayette, IN 47909, USA.
2. Masters Student, Department of Agricultural Economics, Purdue University, 403 West State Street, Lafayette, IN 47909, USA.
3. Professor, Department of Agricultural Economics, Purdue University, 403 West State Street, Lafayette, IN 47909, USA.
4. Professor, Department of Agricultural, Food, and Resource Economics, Michigan State University, 446 W. Circle Dr., Rm 307, Justin S Morrill Hall of Agriculture, East Lansing, MI 48824-1039, USA.