About the Authors

Yuanmeng Ji

Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation School of Economics, Shandong University of Finance and Economics, Jinan, China

Huajun Liu

Roles Conceptualization, Formal analysis, Writing – review & editing

huajun99382@163.com

Affiliation School of Economics, Shandong University of Finance and Economics, Jinan, China

Yin Shi

Roles Formal analysis, Methodology

Affiliation School of Economics, Shandong University of Finance and Economics, Jinan, China

Competing Interests

The authors have declared that no competing interests exist.