Funding for this research was provided by:
Double First-Class Key Research Project of Gansu Provincial Department of Education (GSSYLXM-06)
National Natural Science Foundation of China (72361016)
Doctoral Research Innovation Project of Lanzhou University of Finance and Economics (2022D01)
Article History
Received: 26 June 2023
Revised: 24 April 2024
Accepted: 25 April 2024
First Online: 16 May 2024
Declarations
:
: The authors declare that they have no conflict of interest.