Name:      WANG, Yu-Bao

Address 1:  Dept. of International Economics and Trade

                School of Finance and Economics

                 Xi’an Jiaotong University

                No.74, West Yanta Road  

                Xi’an , 710061,  P.R. China

Address 2:   School of Economics and Management

                 Xinj iang University

                No.666, Shengli Road  

                Ulumq , 830046,  P.R. China

Email:  wybao@xjtu.edu.cn