1. Institute of Service Industries and Management, Minghsin University of Science and Technology, Hsinchu 304, Taiwan
2. Economics and Management College, Civil Aviation University of China, Tianjin 300300, China
3. Regional Green Economy Development Research Center, School of Business, WUYI University, Wuyishan 354300, China
4. Research Center for Environment and Sustainable Development of China Civil Aviation, Civil Aviation University of China, Tianjin 300300, China
5. School of Economics and Management, Tsinghua University, Beijing 100084, China
6. Reasearch Center for Technological Innovation, Tsinghua University, Beijing 100084, China
7. Flight Technology College, Civil Aviation University of China, Tianjin 300300, China