[Xiao, Yi] Cent China Normal Univ, Sch Informat Management, Wuhan 430079, Peoples R China.
[Liu, John J.] City Univ Hong Kong, Ctr Transport Trade & Financial Studies, Kowloon, Hong Kong, Peoples R China.
[Wang, Shouyang] Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China.
[Hu, Yi] Univ Chinese Acad Sci, Sch Management, Beijing 100190, Peoples R China.
[Xiao, Jin] Sichuan Univ, Sch Business, Chengdu 610064, Peoples R China.