Limitations of DEA-based approach and alternative methods in the measurement and comparison of social efficiency across firms in different transport modes: An empirical study in Japan

• Main Authors: Oum, Tae Hoon, Somchai Pathomsiri, Yoshida, Yuichiro
• Other Authors: Mahidol University. Faculty of Engineering. Department of Civil Engineering
• Format: Article
• Language: English
• Published: 2015
• Subjects: Social efficiency; CO2; Multimodal transportation; Railways; Airlines; Japan’s intercity travel market
• Online Access: https://repository.li.mahidol.ac.th/handle/123456789/3368
• Institution: Mahidol University

This paper measures and compares social efficiency of railway firms and airlines in Japan’s domestic intercity travel market. Unlike other efficiency studies, our input and output measures are more comprehensive because we incorporate the life-cycle CO2 emissions as an undesirable output and travele...