https://orcid.org/0000-0003-0331-1616
About the Authors
- Hanjin Li
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Roles Data curation, Formal analysis, Methodology, Project administration, Resources
Affiliation College of Economics, Shandong University of Technology, Shandong, China
- Yang Shi
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Roles Formal analysis
Affiliation College of Economics, Shandong University of Technology, Shandong, China
- Jianxin Zhang
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Roles Software
Affiliation College of Economics, Shandong University of Technology, Shandong, China
- Zhenkun Zhang
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Roles Supervision
Affiliation College of Economics, Shandong University of Technology, Shandong, China
- Zhaosen Zhang
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Roles Data curation, Writing – review & editing
Affiliation College of Economics, Shandong University of Technology, Shandong, China
- Maogang Gong
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Roles Funding acquisition, Investigation, Software
* E-mail: GONGMAOGANG1982@outlook.com
Affiliation College of Economics, Shandong University of Technology, Shandong, China
Competing Interests
The authors have declared that no competing interests exist.