Song, Yuping
Li, Hangyan
Fang, Yetong
Funding for this research was provided by:
Ministry of Education, Humanities and Social Sciences Project (18YJCZH153)
National Statistical Science Research Project (2018LZ05)
Youth Academic Backbone Cultivation Project of Shanghai Normal University (310-AC7031-19-003021)
General Research Fund of Shanghai Normal University (SK201720)
Key Subject of Quantitative Economics (310-AC7031-19-004221)
Academic Innovation Team (310-AC7031-19-004228)
National Natural Science Foundation of China (11901397)
Article History
Received: 17 April 2019
Revised: 11 February 2020
First Online: 14 March 2020