1. School of Public Policy and Management, University of Chinese Academy of Sciences, Beijing, China
2. Research Center for Technological Innovation, Tsinghua University, Beijing, China
3. School of Economics and Management, Tsinghua University, Beijing, China
4. Party School of C.P.C, JiangSu Committee, Nanjing, Jiangsu
5. School of Economics and Management, Communication University of China, Beijing, China