Working papers, Department of Economics, WU (Wirtschaftsuniversität Wien)
Technical Efficiency in Noisy Multi-Output Settings
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.
Keywords: Technical Efficiency; Stochastic Frontier; Stochastic DEA; Multi-Output; Non-Parametric Estimation; (follow links to similar papers)
JEL-Codes: D24; C24; C14; (follow links to similar papers)
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