About the Authors

Shukai Du

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

dushukai@163.sufe.edu.cn

Affiliation School of Finance, Shanghai University of Finance and Economics, Shanghai, China

Competing Interests

The authors have declared that no competing interests exist.