1. Antai College of Economics and Management, Shanghai Jiao Tong University, Shanghai 200030, China;
2. School of Operations Research and Information Engineering, Cornell University, Ithaca, New York 14853;
3. Institute of Computational and Mathematical Engineering, Stanford University, Palo Alto, California 94305;
4. Research Institute for Interdisciplinary Sciences, School of Information Management and Engineering, Shanghai University of Finance and Economics, Shanghai 200433, China;
5. Key Laboratory of Interdisciplinary Research of Computation and Economics, Shanghai University of Finance and Economics, Shanghai 200433, China;
6. Dishui Lake Advanced Finance Institute, Shanghai University of Finance and Economics, Shanghai 200120, China