About the Authors

Li Yuan

Roles Conceptualization, Funding acquisition, Methodology, Project administration, Resources, Supervision

Affiliation School of Agricultural and Forestry Economics and Management, Lanzhou University of Finance and Economics, Lanzhou, China

Xun Fan

Roles Conceptualization, Writing – original draft, Writing – review & editing

Affiliation School of Economics, Lanzhou University of Finance and Economics, Lanzhou, China

Binrui Feng

Roles Data curation, Formal analysis, Investigation, Software, Validation, Visualization, Writing – original draft

edubrian@163.com

Affiliation School of Economics, Lanzhou University of Finance and Economics, Lanzhou, China

Competing Interests

The authors have declared that no competing interests exist.