About the Authors

Qiliang Wang

Roles Writing – original draft

Affiliations School of Economic and Management, Qinghai Minzu University, Xining, Qinghai, P. R. China, Qinghai Provincial Key Laboratory of Big Data in Finance and Artificial Intelligence Application Technology, Xining, Qinghai, P. R. China

Yingchun Zhang

Roles Project administration, Writing – review & editing

zhangych960525@163.com

Affiliations Qinghai Provincial Key Laboratory of Big Data in Finance and Artificial Intelligence Application Technology, Xining, Qinghai, P. R. China, Business School, Qinghai Institute of Technology, Xining, Qinghai, P. R. China

Yang Li

Roles Project administration

Affiliations Qinghai Provincial Key Laboratory of Big Data in Finance and Artificial Intelligence Application Technology, Xining, Qinghai, P. R. China, Business School, Qinghai Institute of Technology, Xining, Qinghai, P. R. China

Peihao Wang

Roles Writing – review & editing

Affiliation School of Finance, Shanghai University of Finance and Economics, Shanghai, P. R. China

Competing Interests

The authors have declared that no competing interests exist.