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Authors
Yu, Jinghan
Yu, Yang
Jiang, Tangyang
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Funding
Funding for this research was provided by:
the fundamental research funds for the Anhui Provincial Philosophy and Social Science Planning Project (AHSKQ2021D160)
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Article History
Received: 9 November 2021
Accepted: 14 February 2022
First Online: 26 February 2022
Declarations
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: The study obtained ethical approval from the School of Statistics and Mathematics, Zhejiang Gongshang University, Hangzhou, China; School of Economics, Hainan University, Haikou, China; China Center for Competition Policy, Haikou, China; and School of Internet, Anhui University, Hefei, China.
: Not applicable.
: The authors have provided consent to publish this work.
: The authors declare no competing interests.
