About the Authors

Zhiheng Yang

Contributed equally to this work with: Zhiheng Yang, Nengneng Shen

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

Affiliation Institute of Regional Economics, Shandong University of Finance and Economics, Jinan, Shandong, China

Nengneng Shen

Contributed equally to this work with: Zhiheng Yang, Nengneng Shen

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software

Affiliations Institute of Regional Economics, Shandong University of Finance and Economics, Jinan, Shandong, China, School of Economics, Shandong University of Finance and Economics, Jinan, Shandong, China

Chenxi Li

Roles Conceptualization, Investigation

lichenxi@xauat.edu.cn

‡ This author also contributed equally to this work.

Affiliation School of Public Administration, Xi’an University of Architecture and Technology, Xi’an, Shaanxi, China

Competing Interests

The authors declare no conflict of interest.