Oum, Tae Hoon; Pathomsiri, Somchai; Yoshida, Yuichiro - In: Transportation Research Part E: Logistics and … 57 (2013) C, pp. 16-26
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...