1. School of Economics and Management, Chang’an University, Middle-section of Nan’er Huan Road, Xi’an 710064, Shaanxi, China
2. Research Center for Green Engineering and Sustainable Development, Chang’an University, Middle-section of Nan’er Huan Road, Xi’an 710064, China
3. School of Management, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, Shaanxi, China
4. College of Economics, Shenzhen University, Nanhai Ave 3688, Shenzhen 518060, China