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Translation invariance in data envelopment analysis. (English) Zbl 0711.90006
Summary: Conditions are established under which data envelopment analysis (DEA) models are translation invariant. Specifically, an affine displacement does not alter the efficient frontier for models incorporating the convexity constraint. This affords a ready solution to the problems of scaling and the presence of zero values which arise in DEA.

MSC:
91B06 Decision theory
91B38 Production theory, theory of the firm
90C05 Linear programming
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