Affiliation: | 1. Antai College of Economics and Management, Shanghai Jiao Tong University, 1954 Huashan Road, Shanghai 200030, China;2. School of International Trade and Economics, University of International Business and Economics, 10 Huixin East Road, Beijing 100029, China;3. School of Applied Economics, Renmin University of China, 59 Zhongguancun Street, Beijing 100872, China |