1. College of Economics and Management Southwest University Chongqing 400715 PR China
2. Morrison School of Agribusiness W. P. Carey School of Business Arizona State University 7271 E Sonoran Arroyo Mall Mesa AZ 85212 USA
3. National School of Agricultural Institution and Development, College of Economics and Management South China Agricultural University Guangzhou 510642 China
4. Henan University of Economics and Law Research Center of Agriculture and Rural Development Zhengzhou 450000 China