作者机构:[1]Civil Aviation Soft-Science Research Institute, Nanfing University of Aeronautics and Astronautics, Nanjing 210016, China, [2]College of business administration, Jiangsu University, Zhenfiang 212013, China
相关基金:Foundation item The National Natural Science Foundation of China (No. 70771046) The authors would like to acknowledge the support of Shanghai Airline for the research.