1. Department of Economics, University of Waterloo, Ontario, Canada, and Big Data Research Center, Jianghan University, Hubei, China ()
2. School of Economics, The Shanghai University of Finance and Economics, Shanghai, China, and Research Center of Econometrics, Shanghai Academy of Social Sciences, Shanghai, China ()
3. School of Economics, The Shanghai University of Finance and Economics, Shanghai, China, and Key Laboratory of Mathematical Economics (SUFE), Ministry of Education, Shanghai 200433, China ()
4. Social Academy of Shanghai, Shanghai, China, and Research Center of Econometrics, Shanghai Academy of Social Sciences, Shanghai, China ()