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Measurement of simultaneous scale and mix changes in inputs and outputs using DEA facets and RTS

  • Amatatsu, Hirofumi
  • Ueda, Tohru
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    We show a new use of the efficient facets in DEA. Specifically, once we have identified all facets of the DEA technology, we are able to estimate the potential changes in some inputs and outputs, while fixing other inputs and outputs, ranges of simultaneous scale and mix changes in inputs and outputs, while proportionally increasing or decreasing other inputs and outputs, and, finally, the RTS. The proposed algorithms are applied to corporate planning processes of chemical companies.

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    File URL: http://www.sciencedirect.com/science/article/pii/S0377221712005395
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    Article provided by Elsevier in its journal European Journal of Operational Research.

    Volume (Year): 223 (2012)
    Issue (Month): 3 ()
    Pages: 752-761

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    Handle: RePEc:eee:ejores:v:223:y:2012:i:3:p:752-761
    Contact details of provider: Web page: http://www.elsevier.com/locate/eor

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    14. O. B. Olesen & N. C. Petersen, 1996. "Indicators of Ill-Conditioned Data Sets and Model Misspecification in Data Envelopment Analysis: An Extended Facet Approach," Management Science, INFORMS, vol. 42(2), pages 205-219, February.
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