Technical efficiency and productivity changes in Spanish airports: A parametric distance functions approach

• Autores: Beatriz Tovar de la Fe, Roberto Rendeiro Martín Cejas
• Localización: Notas técnicas: [continuación de Documentos de Trabajo FUNCAS], ISSN-e 1988-8767, Nº. 395, 2008
• Idioma: inglés
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• Resumen

  • Nowadays, most of the effort is being put towards applying non-parametric techniques such as Data Envelopment Analysis (DEA) in airport performance studies. This work explores another methodology that could either confirm or disagree with the empirical evidence attained by those studies. This methodology is a parametric technique which estimates an efficient frontier by making assumptions that enables to separate the random and efficiency factor. In a parametric context, a functional form has to be chosen. We have selected a distance function because of its advantages to deal with the multiple output nature of airport activities in a parametric context.

    Parameters estimated through the multi-output input distance function let us calculate the evolution of the Total Factor Productivity (TFP) and its decomposition in Spanish airports.