Scale Efficiency: Where Data Envelopment Analysis Outperforms Stochastic Production Function Estimation
Dieter Gstach (dieter.gstach@wu.ac.at)
No 23, Department of Economics Working Paper Series from WU Vienna University of Economics and Business
Abstract:
Robustness of DEA scale efficiency scores is investigared in the context of non-radial efficency measures. Most efficient scales are identified with DEA's refernce firms instead of traditional clustering techniques.The systematic difference between single- and multi-output technologies as concerns most efficient scales is then examined by comparing applied DEA results. These provide evidence in favor of my proposition, that single-output techniques, like stochastic production function estimation, yield upwardly biased most efficient scales.
Date: 1993-12
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Persistent link: https://EconPapers.repec.org/RePEc:wiw:wus005:6298
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