About the Authors

Yafei Xu

Roles Conceptualization, Data curation, Investigation, Methodology, Software, Writing – original draft

294494633@qq.com

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

Guoli Ou

Roles Funding acquisition, Supervision, Writing – review & editing

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

Competing Interests

The authors have declared that no competing interests exist.