Testing Efficiency On Low Cost Carriers: An Application Of Robust Data Envelopment Analysis
Öz
This research focuses on low cost carriers by
comparing their efficiencies. In total, nine low cost carriers are gathered
together for the years between 2003-2013. After designing the data which
includes inputs and outputs to measure their efficiency, robustified data
envelopment analysis is conducted year by year. Their efficiencies are
calculated by listing as a path over time. Their efficiency scores are varied
according to years as they are estimated with 1000 time iterated bootstrapped
results of data envelopment analysis. First of all, results of variances over
time are calculated. Secondly, their coefficient of variations (CV) are
calculated too for k-means clustering algorithm. These calculated carriers are
separated subgroups as: efficient and consistent, slightly efficient and
slighty consistent, neither efficient nor consistent. After the parts of
introduction, literature review, description of variable utilizations with
methodology and data, the results according to the variables show that depends
on assumptions returns to scale
Anahtar Kelimeler
Kaynakça
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