Institution: | 1.School of Statistics and Applied Mathematics, Anhui University of Finance and Economics, Bengbu, 233030, P.R. China ;2.Department of Economics, Suleyman Demirel University, Isparta, Turkey ;3.Department of Accounting, Economics and Finance, Bournemouth University, Poole, UK ;4.Department of Economics, Ahmadu Bello University, Zaria, Nigeria ;5.School of Economics, Nankai University, Tianjin, P.R. China ; |