About the Authors
- Lei Lv
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Roles Writing – original draft
Affiliation School of Economics and Management, Beihang University, Beijing, China
- Zhixin Liu
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Roles Writing – review & editing
Affiliation School of Economics and Management, Beihang University, Beijing, China
- Yingying Xu
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Roles Formal analysis, Writing – review & editing
* E-mail: yingxu21@ustb.edu.cn
Affiliation University of Science & Technology Beijing, Beijing, China
Competing Interests
The authors have declared that no competing interests exist.