1. School of Economics and Chian-Asean Institute of Financial Cooperation, Guangxi University, Guangxi, China
2. Guosen Securities Company Ltd., Shenzhen, China
3. Chian-Asean Institute of Financial Cooperation, Guangxi University, Guangxi, China
4. Antai College of Economics and Management, Shanghai Jiao Tong University, Shanghai, China
5. School of Economics/China-Asean Institute of Financial Cooperation, Guangxi University, Guangxi, China