1. Department of Agricultural Economics, Bangladesh Agricultural University, Mymensing 2202, Bangladesh
2. College of Economics and Management, Huazhong Agricultural University, Wuhan 430070, China
3. Ministry of Public Administration, Dhaka 1000, Bangladesh
4. College of Economics and Management, North China University of Technology, Beijing 100144, China
5. Department of Agribusiness and Marketing, Bangladesh Agricultural University, Mymensing 2202, Bangladesh
6. Division of Agribusiness and Agricultural Economics, Department of Agricultural and Consumer Science, Tarleton State University, P.O. Box T-0040, Stephenville, TX 76402, USA