1. School of Management, Jiangsu University, No. 301 Xuefu Road, Zhenjiang 212013, China
2. School of Finance and Economics, Jiangsu University, No. 301 Xuefu Road, Zhenjiang 212013, China
3. College of Economics and Management, Nanjing Agriculture University, No. 1 Weigang Road, Nanjing 210095, China