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Un confronto tra modelli DEA (Data Envelopment Analysis) e MARS (Multivariate Adaptive Regression Splines) nella stima dell'efficienza produttiva nel ervizio idrico integrato in Italia

Author

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  • Francesco Vidoli
  • Rita Mileno

Abstract

Il sistema idrico in Italia ? caratterizzato da una moltitudine di forme organizzative e da costi ampiamente divergenti, derivanti sia da differenze industriali, ma anche da inefficienze. L?obiettivo del presente lavoro ? quello di valutare l?efficienza tecnica nell?anno 2008 attraverso una metodologia non-parametrica particolarmente flessibile. Da un punto di vista metodologico, viene presentata una metodologia originale basata sui modelli MARS (Multivariate Adaptive Regression Splines), utilizzati per stimare la funzione di produzione sulla frontiera efficiente senza, al contempo, esplicitare ex-ante una specifica forma funzionale. I risultati dell?applicazione di tale metodologia sono stati messi a confronto con quelli derivanti dalla tecnica DEA evidenziando forti differenze specialmente tra aziende che operano in aree metropolitane e aree a bassa densit? abitativa.

Suggested Citation

  • Francesco Vidoli & Rita Mileno, 2010. "Un confronto tra modelli DEA (Data Envelopment Analysis) e MARS (Multivariate Adaptive Regression Splines) nella stima dell'efficienza produttiva nel ervizio idrico integrato in Italia," RIVISTA DI ECONOMIA E STATISTICA DEL TERRITORIO, FrancoAngeli Editore, vol. 2010(2), pages 5-37.
    • Handle: RePEc:fan:restre:v:html10.3280/rest2010-002001
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    Keywords

    Distribuzione del reddito; simulazione di Monte Carlo; microsimulazione; redditi locali;
    All these keywords.

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • D20 - Microeconomics - - Production and Organizations - - - General
    • L95 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Gas Utilities; Pipelines; Water Utilities

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