[Xiao, Yi] Cent China Normal Univ, Sch Informat Management, Wuhan 430079, Peoples R China.
[Wang, Yingfeng; Liu, John J.; Xiao, Yi] City Univ Hong Kong, Ctr Transport Trade & Financial Studies, Kowloon, Hong Kong, Peoples R China.
[Wang, Shouyang; Xiao, Yi] 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.
[Lai, Kin Keung] City Univ Hong Kong, Dept Management Sci, Kowloon, Hong Kong, Peoples R China.