Affiliation: | 1.School of Economics and Management, Beijing Jiaotong University, Beijing, 100044, China ;2.Department of Economics, and Tinbergen Institute, Vrije Universiteit Amsterdam, De Boelelaan 1105, 1081 HV, Amsterdam, The Netherlands ;3.School of Political Science and Economics, Waseda University, 1-6-1 Nishi-Waseda, Shinjuku-ku, Tokyo, 169-8050, Japan ; |