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Technical efficiency of automobiles: A nonparametric approach incorporating carbon dioxide emissions

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  • Hampf, Benjamin
  • Krüger, Jens J.

Abstract

We conduct an empirical analysis of the technical efficiency of cars sold in Germany in 2010. The analysis is performed using traditional data envelopment analysis (DEA) as well as directional distance functions (DDF). The approach of DDF allows incorporating the reduction of carbon dioxide emissions as an environmental goal in the efficiency analysis. A frontier separation approach is used to gain deeper insight for different car classes and regions of origin. Natural gas driven cars and sports-utility-vehicles are also treated as different groups. The results show that the efficiency measurement is significantly influenced by the incorporation of carbon dioxide emissions. Moreover, we find that there is indeed a trade-off between technological performance and environmental performance.

Suggested Citation

  • Hampf, Benjamin & Krüger, Jens J., 2010. "Technical efficiency of automobiles: A nonparametric approach incorporating carbon dioxide emissions," Darmstadt Discussion Papers in Economics 198, Darmstadt University of Technology, Department of Law and Economics.
  • Handle: RePEc:zbw:darddp:dar_43177
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    References listed on IDEAS

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    5. Inha Oh & Jeong-Dong Lee & Seogwon Hwang & Almas Heshmati, 2010. "Analysis of product efficiency in the Korean automobile market from a consumer’s perspective," Empirical Economics, Springer, vol. 38(1), pages 119-137, February.
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    Cited by:

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    More about this item

    Keywords

    nonparametric efficiency measurement; directional distance function; automobiles; air pollution;
    All these keywords.

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • L62 - Industrial Organization - - Industry Studies: Manufacturing - - - Automobiles; Other Transportation Equipment; Related Parts and Equipment
    • Q53 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling

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