About the Authors

Gongtao Zhang

Roles Conceptualization, Formal analysis, Project administration, Writing – original draft

Affiliation School of Finance, China Academy of Financial Research, Southwestern University of Finance and Economics, Chengdu, China

Huanyu Zhao

Roles Methodology, Resources, Software

zhaohuanyuh2@gmail.com

Affiliation School of Finance, China Academy of Financial Research, Southwestern University of Finance and Economics, Chengdu, China

Rujie Fan

Roles Funding acquisition, Supervision, Writing – review & editing

Current address: Chendu YunJiShuYan Technology Information Co., LTD, Chengdu, China

Affiliation School of Finance, China Academy of Financial Research, Southwestern University of Finance and Economics, Chengdu, China

Competing Interests

This commercial funder had no competing interests along with any other relevant declarations relating to employment, consultancy, patents, products in development, marketed products, etc. This does not alter our adherence to PLOS ONE policies on sharing data and materials.