Institution: | 1.School of Statistics and Mathematics, Zhejiang Gongshang University, Hangzhou, 310018, China ;2.Collaborative Innovation Center of Statistical Data Engineering Technology and Application, Zhejiang Gongshang University, Hangzhou, 310018, China ;3.School of Management, Jiangsu University, Zhenjiang, 212013, China ;4.College of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, China ; |