1. School of Economics and Management, Beijing Forestry University, Beijing 100083, China
2. School of Business Administration, Zhongnan University of Economics and Law, Wuhan 430073, China
3. School of Economics and Management, Zhejiang A & F University, Hangzhou 311300, China
4. Research Academy for Rural Revitalization of Zhejiang Province, Zhejiang A & F University, Hangzhou 311300, China