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Authors
Li, Yong
Yu, Xiao
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Funding
Funding for this research was provided by:
Experiment Course Project of Public Policy Analysis of Shanghai Customs College (3208048A2020)
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Article History
Accepted: 30 January 2022
First Online: 5 February 2022
Declarations
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: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
