Johnston, Ahren; Ozment, John - In: Transportation Research Part E: Logistics and … 51 (2013) C, pp. 95-108
This study investigates economies of scale in the US airline industry using annual data, from 1987 to 2009, on the largest airlines. The paper estimates both a translog and Cobb–Douglas model of both an economic and transportation definition of economies of scale. The study shows that the...