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DOI:
https://doi.org/10.14295/transportes.v23i4.984Keywords:
Air Transport, Data Envelopment Analysis, Clustering.Abstract
This paper performs a comparative analysis of the relative efficiency results obtained using a traditional approach of Data Envelopment Analysis in contrast to the methodology proposed here, which comprises an alternative way of dealing with differences in scale of operation of production units. For that, we will conduct a case study on the operational performance of Brazilian passenger airlines, regarding the use of the fleet. The proposal combines clustering of production units according to their scale of operation, original DEA model for constant returns to scale applied separately in each cluster, and compensation of differences in scale among clusters. We compared the results to traditional DEA model for variable returns-to-scale, which revealed that the proposed approach increased the discrimination among units without major impact on the final rankings.Downloads
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