Coelli, Tim; Perelman, Sergio; Romano, Elliot - In: Journal of Productivity Analysis 11 (1999) 3, pp. 251-273
efficiency (technical efficiency with environmental factors netted out) took place over the sample period (1977–1990). Copyright …The principal aim of this paper is to measure the efficiency of international airlines. We obtain measures of technical … efficiency from stochastic frontier production functions which have been adjusted to account for environmental influences such as …