About the Authors
- Yuanmeng Ji
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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
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Roles Conceptualization, Formal analysis, Writing – review & editing
* E-mail: huajun99382@163.com
Affiliation School of Economics, Shandong University of Finance and Economics, Jinan, China
- Yin Shi
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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.