1. School of Finance and Accounting, Fuzhou University of International Studies and Trade, Fujian, P. R. China
2. Faculty of Business, City University of Macau, Macau, P. R. China
3. Karachi Institute of Economics and Technology, Karachi, Pakistan
4. Faculty of International Tourism and Management, City University of Macau, Macau, P. R. China
5. Department of Finance and Banking, Thu Dau Mot University, Thu Dau Mot City, Vietnam
6. College of Economics and Management, Nanjing University of Aeronautics and Astronautics, 29 Jiangsu Avenue, Nanjing 211106, P. R. China