1. Lecturer, School of Economics and Management, Beijing Jiaotong Univ., Beijing 100044, China. ORCID:
2. Postdoctoral, School of Economics and Management, Beihang Univ., Beijing 100191, China (corresponding author).
3. Ph.D. Candidate, School of Civil Engineering, Harbin Institute of Technology, Harbin 150001, China. ORCID:
4. Ph.D. Candidate, School of Civil Engineering, Harbin Institute of Technology, Harbin 150001, China.