1. Associate Professor, School of Economics and Management, Chongqing Jiaotong Univ., No. 66, Xuefu Rd., Nan’an District, Chongqing 400074, China (corresponding author). ORCID: .
2. Graduate Student, School of Economics and Management, Chongqing Jiaotong Univ., No. 66, Xuefu Rd., Nan’an District, Chongqing 400074, China.
3. Senior Engineer, Guangxi Communications Investment Group Corporation Ltd., No. 146 Minzu Ave., Qingxiu District, Nanning City, Guangxi 530022, China.
4. Professor, School of Economics and Management, Chongqing Jiaotong Univ., No. 66, Xuefu Rd., Nan’an District, Chongqing 400074, China.