avaliação dos atrasos em transporte aéreo com um modelo dea air transport delays evaluation with a dea based model

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ID: 191378
2010
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Abstract
Atrasos em voos sempre foram um dos problemas do transporte aéreo. A proposta deste artigo é criticar o atual sistema de medida de atrasos e propor um novo índice que agregue os atrasos de partida e chegada num único indicador. Esse índice faz uma avaliação gradual de atrasos em vez de impor limites para um voo ser pontual ou atrasado. Para construção do índice foi usada a Análise Envoltória de Dados (Data Envelopment Analysis - DEA) com restrições aos pesos. Os resultados mostram que o modelo com apenas três variáveis é o mais adequado e que, para o conjunto de dados analisado, os atrasos das duas principais companhias aéreas brasileiras são bastante semelhantes.
Flight delays have always been one of the main problems in air transportation. The purpose of this paper is to apply a critique of the current system for measuring delays and suggest a new index that aggregates departure and arrival delays in a unique indicator. This index evaluates the delays in a continuous and gradated mode instead of imposing limits for a flight to be considered as on schedule or delayed. To construct this index we use data envelopment analysis (DEA) with weights restrictions. The results show that the model with only three variables is the most appropriate. They also show that, for the dataset analyzed, the average delays of the two main Brazilian airlines are quite similar.
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Authors ;Tatiana Dodsworth de Barros;Thiago Graça Ramos;João Carlos Correia Baptista Soares de Mello;Lidia Angulo Meza
Journal Neotropical entomology
Year 2010
DOI
DOI not found
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-65132010000400009
Keywords
data envelopment analysis air transportation

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