About the Authors

Yu kun Wang

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

WYK2@ulive.pccu.edu.tw

Affiliation Department of Economics and Finance, Zhanjiang University of Science and Technology, Guangdong, China

Li Zhang

Roles Formal analysis, Resources, Supervision

Affiliation Department of Economics and Finance, Zhanjiang University of Science and Technology, Guangdong, China

Competing Interests

The authors have declared that no competing interests exist.