1. Institute of International Studies and School of Northeast Asia Studies, Shandong University, Weihai, Shandong, P. R. China
2. School of Business, Macau University of Science and Technology, Taipa, Macau SAR, P. R. China
3. College of Economics, Jinan University, Guangzhou, Guangdong, P. R. China
4. Center for Economics, Finance and Management Studies (CEFMS), Hunan University, North Campus, Changsha, Hunan, P. R. China