About the Authors

Xing Zhao

Roles Writing – original draft

Affiliations School of Finance, Tianjin University of Finance and Economics, Tianjin, China, School of Finance, Tianjin University of Finance and Economics, Pearl River College, Tianjin, China

Xiangqian Li

Roles Conceptualization

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

Changman Ren

Roles Writing – review & editing

renchangman1987@126.com

Affiliation School of Business, Ningde Normal University, Ningde, China

Competing Interests

The authors have declared that no competing interests exist.