Scale economies and marginal costs in Spanish airports

J.C. Martín, C. Román, A. Voltes-Dorta

Research output: Contribution to journalArticlepeer-review


In this paper, we estimate alternative specifications of the Spanish airports' cost function with the objective to provide a comparative analysis on several technological features such as output-specific marginal costs, economies of scale, and the Allen elasticities of substitution. We found evidence of significant and unexhausted scale economies as well as technological development in the Spanish airport industry. The results suggest that traffic consolidation in multi-airport areas such as the Basque Country or Catalonia will result in lower costs for the public operator.
Original languageEnglish
Pages (from-to)238-248
Number of pages11
JournalTransportation Research Part E: Logistics and Transportation Review
Issue number2
Publication statusPublished - 1 Mar 2011


  • Airports’ cost function
  • Marginal costs
  • Scale economies
  • Translog system


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