Funding for this research was provided by:
National Natural Science Foundation of China (72025104)
Fundamental Research Funds for the Central Universities (JBK2103009)
Financial Innovation Center, SWUFE
SWUFE Jiaozi Institute of Fintech Innovation
Accepted: 3 November 2022
First Online: 5 December 2022
: The authors have no relevant financial or non-financial interests to disclose.