About the Authors

Bao Qi

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

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

Fan Hu

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Software, Writing – original draft

Affiliation School of Finance, Guangdong University of Finance & Economics, Guangzhou, China

Chen Zhang

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

zhangchenxmu@163.com

Affiliation School of Economics, Xiamen University, Xiamen, China

Competing Interests

The authors have declared that no competing interests exist.