1. College of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing, P.R. China
2. School of Finance and Economics, Jiangsu University, Zhenjiang, P.R. China
3. Division of State-owned Enterprise Reform and Innovation, Institute of Industrial Economics, Jiangsu University, Zhenjiang, P.R. China
4. Institute of Applied Systems Analysis (IASA), School of Mathematics, Jiangsu University, Zhenjiang, P.R. China