Persistent and Transient Efficiency of International Airlines

This paper examines the efficiency of international airlines for the period 1998-2012 using some competing stochastic frontier (SF) panel data models. It estimates a cost function for multi-output airline services, separating passenger and goods transportation at the national and international level...

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Main Authors: Almas Heshmati, Subal C. Kumbhakar, Jungsuk Kim
Format: Article
Language:English
Published: TU Delft OPEN Publishing 2018-04-01
Series:European Journal of Transport and Infrastructure Research
Online Access:https://journals.open.tudelft.nl/ejtir/article/view/3231
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author Almas Heshmati
Subal C. Kumbhakar
Jungsuk Kim
author_facet Almas Heshmati
Subal C. Kumbhakar
Jungsuk Kim
author_sort Almas Heshmati
collection DOAJ
description This paper examines the efficiency of international airlines for the period 1998-2012 using some competing stochastic frontier (SF) panel data models. It estimates a cost function for multi-output airline services, separating passenger and goods transportation at the national and international levels. Our preferred SF model distinguishes airlines heterogeneity from time-invariant persistent inefficiency, and transient (time-varying) inefficiency from random the noise component. This four component SF model is compared with two other competing SF models in which one of the four components is missing. All the models are estimated using the maximum likelihood method. The models give predicted values of persistent, transient and overall efficiency for each airline and time period. The mean and dispersion of cost efficiency amongst airlines differ by model specifications and according to their geographical area of operations. The performance difference may be a consequence of different market structures and deregulation processes and of specific competitive conditions such as resource availability and strategic alliances with competitors. The results confirm that, in general, none of the airlines is able to achieve full cost efficiency. We find that carriers based in the Asia region are more efficient than those operating in the European and North American regions. The bigger airlines are unable to take full advantage of economies of scale and are not more efficient than their smaller cousins.
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spelling doaj.art-5f0bd5f9b6b6414bb715644597fe55692023-12-02T03:59:17ZengTU Delft OPEN PublishingEuropean Journal of Transport and Infrastructure Research1567-71412018-04-0118210.18757/ejtir.2018.18.2.32312843Persistent and Transient Efficiency of International AirlinesAlmas Heshmati0Subal C. Kumbhakar1Jungsuk Kim2Sogang UniversityBinghamton UniversitySejong UniversityThis paper examines the efficiency of international airlines for the period 1998-2012 using some competing stochastic frontier (SF) panel data models. It estimates a cost function for multi-output airline services, separating passenger and goods transportation at the national and international levels. Our preferred SF model distinguishes airlines heterogeneity from time-invariant persistent inefficiency, and transient (time-varying) inefficiency from random the noise component. This four component SF model is compared with two other competing SF models in which one of the four components is missing. All the models are estimated using the maximum likelihood method. The models give predicted values of persistent, transient and overall efficiency for each airline and time period. The mean and dispersion of cost efficiency amongst airlines differ by model specifications and according to their geographical area of operations. The performance difference may be a consequence of different market structures and deregulation processes and of specific competitive conditions such as resource availability and strategic alliances with competitors. The results confirm that, in general, none of the airlines is able to achieve full cost efficiency. We find that carriers based in the Asia region are more efficient than those operating in the European and North American regions. The bigger airlines are unable to take full advantage of economies of scale and are not more efficient than their smaller cousins.https://journals.open.tudelft.nl/ejtir/article/view/3231
spellingShingle Almas Heshmati
Subal C. Kumbhakar
Jungsuk Kim
Persistent and Transient Efficiency of International Airlines
European Journal of Transport and Infrastructure Research
title Persistent and Transient Efficiency of International Airlines
title_full Persistent and Transient Efficiency of International Airlines
title_fullStr Persistent and Transient Efficiency of International Airlines
title_full_unstemmed Persistent and Transient Efficiency of International Airlines
title_short Persistent and Transient Efficiency of International Airlines
title_sort persistent and transient efficiency of international airlines
url https://journals.open.tudelft.nl/ejtir/article/view/3231
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AT subalckumbhakar persistentandtransientefficiencyofinternationalairlines
AT jungsukkim persistentandtransientefficiencyofinternationalairlines