Institution: | School of Business, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China,School of Mathematics and Statistics, Zhengzhou University, Zhengzhou, Henan 450001, China and School of Mathematics and Statistics, Zhengzhou University, Zhengzhou, Henan 450001, China; Henan Key Laboratory of Financial Engineering, Zhengzhou, China |