Adler, Nicole; Martini, Gianmaria; Volta, Nicola - In: Transportation Research Part B: Methodological 53 (2013) C, pp. 82-100
This research analyses the environmental footprint of the airline industry in an attempt to highlight potential paths for improvement. We develop a directional economic-environmental distance function (DEED) which accounts for the production of both desirable and undesirable output and the...