About the Authors

Ting Li

Roles Conceptualization, Data curation, Funding acquisition, Writing – original draft

Affiliation Department of Economics, Tongling University, Tongling, Anhui, China

Jing-Ya Li

Roles Data curation, Investigation, Methodology, Writing – review & editing

17865326845@163.com

Affiliation Department of Economics, Ocean University of China, Qingdao, Shandong, China

Competing Interests

The authors have declared that no competing interests exist.