Technical efficiency in noisy multi-output settings

Dieter Gstach

No 59, Department of Economics Working Paper Series from WU Vienna University of Economics and Business

Abstract: This paper surveys four distinct approaches to frontier estimation of multi-output (and simultaneously multi-input) technologies, when nothing but noisy quantity data are available. Parametrized distributions for inefficiency and noise are necessary for identification of inefficiency, when only cross-sectional data are available. In other respects suitable techniques may differ widely, as is shown. A final technique presented rigorously exploits the possibilities from panel-data by dropping parametrization of distributions as well as functional forms. It is illustrated how this last technique can be coupled with the others to provide a state-of-the-art estimation procedure for this setting. (author's abstract)

Keywords: technical efficiency; stochastic frontier; stochastic DEA; multi-output; non-parametric estimation (search for similar items in EconPapers)
Date: 1998
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Citations: View citations in EconPapers (30)

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