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Slack And Net Technical Efficiency Measurement: A Bootstrap Approach

Author

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  • J. RICHMOND

    (Department of Economics, University of Essex, Colchester CO4 3SQ, UK)

Abstract

Statistical properties of DEA methods for efficiency estimation are poorly understood and currently the best way forward must be to use bootstrap techniques. The article seeks to extend bootstrap methods to allow investigation of the properties of estimates of inefficiencies due to the slack in the use of resources as well as technical efficiency. In an empirical application, it is found that inefficiency due to slack is a small component of the overall inefficiency and that the DEA technical efficiency estimates have a small downward bias, with confidence intervals that are wide enough to suggest cautious interpretation.

Suggested Citation

  • J. Richmond, 2005. "Slack And Net Technical Efficiency Measurement: A Bootstrap Approach," International Journal of Information Technology & Decision Making (IJITDM), World Scientific Publishing Co. Pte. Ltd., vol. 4(03), pages 395-410.
    • Handle: RePEc:wsi:ijitdm:v:04:y:2005:i:03:n:s0219622005001623
    DOI: 10.1142/S0219622005001623
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    References listed on IDEAS

    as
    1. WILSON, Paul & SIMAR, Leopold, 1995. "Bootstrap Estimation for Nonparametric Efficiency Estimates," LIDAM Discussion Papers CORE 1995071, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    2. Richmond, J & Lynde, C, 2000. "Measuring inefficiency and costing slack," Economics Discussion Papers 9988, University of Essex, Department of Economics.
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