| Affiliation: | 1. The John B. and Lillian E. Neff Endowed Chair in Finance, The University of Toledo, 2801 W. Bancroft Street, Toledo, OH 43606, United States;2. Department of Finance and Economics, College of Business Administration, Georgia Southern University, Statesboro, GA 30460, United States;1. KLSC, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China;2. School of Mathematical Science, University of Chinese Academy of Sciences, Beijing 100049, China;3. Industrial and Commercial Bank of China, Beijing 100032, China |
