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Scale Efficiency: Where Data Envelopment Analysis Outperforms Stochastic Production Function Estimation

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  • Gstach, Dieter

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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.

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  • Gstach, Dieter, 1993. "Scale Efficiency: Where Data Envelopment Analysis Outperforms Stochastic Production Function Estimation," Department of Economics Working Paper Series 6298, WU Vienna University of Economics and Business.
  • Handle: RePEc:wiw:wus005:6298
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    7. Marterbauer, Markus, 1991. "Die Rolle der Fiskalpolitik im schwedischen Wohlfahrtsstaat," Department of Economics Working Paper Series 6279, WU Vienna University of Economics and Business.
    8. Pichler, Eva, 1991. "Cost-Sharing of General and Specific Training with Depreciation of Human Capital," Department of Economics Working Paper Series 6280, WU Vienna University of Economics and Business.
    9. Ragacs, Christian, 1993. "Minimum Wages in Austria: Estimation of Employment Functions," Department of Economics Working Paper Series 6295, WU Vienna University of Economics and Business.
    10. Scharmer, Felicitas, 1993. "The Validity Issue in Applied General Equilibrium Tax Models," Department of Economics Working Paper Series 6294, WU Vienna University of Economics and Business.
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