Abstract
In recent years, the issue of aviation carbon emissions has caused wide public concern. How to measure airline performance under the premise of considering aviation carbon emissions has become a hot issue. In this paper, airline energy efficiency is divided into three stages as follows: operations, services, and sales. A network range-adjusted measure with unified natural and managerial disposability model is proposed to calculate the environmental efficiencies of 29 airlines from 2008 to 2015. We get some interesting results. (1) Scandinavian has the highest overall efficiency among these 29 airlines during 2008–2015. (2) For the other 28 airlines, the improvement of the undesirable outputs is not the most urgent work to improve overall efficiency. (3) The overall efficiency has no obvious fluctuation in this period.
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