1. Associate Professor, School of Economics and Management, Chongqing Jiaotong Univ., Chongqing 400074, PR China (corresponding author). ORCID: .
2. Postgraduate Student, School of Economics and Management, Chongqing Jiaotong Univ., Chongqing 400074, PR China.
3. Associate Professor, School of Economics and Management, Chongqing Jiaotong Univ., Chongqing 400074, PR China.