About the Authors

Zongyuan Huang

Roles Conceptualization, Formal analysis, Investigation, Supervision, Writing – original draft

zyhuang@bjtu.edu.cn

Affiliation School of Economics and Management, Beijing Jiaotong University, Beijing, China

Miaomiao Qin

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft

Affiliation School of Economics and Management, Beijing Jiaotong University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.