Institution: | 1. Michigan State University, Department of Agricultural, Food and Resource Economics, Justin S. Morrill Hall of Agriculture, 446 West Circle Dr., Rm 202, East Lansing, MI 48824 USA;2. Purdue University, Department of Agricultural Economics, 403 West State Street, Krannert Building, West Lafayette, IN 47907, USA;3. China Agricultural University Department of International Trade College of Economics & Management, No.17, Qinghua East Road, Haidian District, Beijing, 100083, PR China |