[1] Univ Sci & Technol Beijing, Donlinks Sch Econ & Management, Beijing 100083, Peoples R China
[2] City Univ Hong Kong, Dept Syst Engn, Kowloon, Hong Kong, Peoples R China
[3] City Univ Hong Kong, Dept Engn Management, Kowloon, Hong Kong, Peoples R China