About the Authors

Leshui He

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Visualization, Writing – original draft, Writing – review & editing

Affiliation Department of Economics, Bates College, Lewiston, ME, United States of America

Wen Zhou

Roles Data curation, Formal analysis, Investigation, Methodology, Resources, Writing – review & editing

Affiliation School of Ethnology and Sociology, Yunnan University, Kunming, China

Ming He

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Supervision, Writing – review & editing

Affiliation School of Ethnology and Sociology, Yunnan University, Kunming, China

Xuanhua Nie

Roles Data curation, Investigation, Writing – review & editing

Affiliation School of Ethnology and Sociology, Yunnan University, Kunming, China

Jun He

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

Jun.he@ynu.edu.cn

Affiliation School of Ethnology and Sociology, Yunnan University, Kunming, China

Competing Interests

We declare there is no conflict of interests,