A translation invariant pure DEA model

Vincent Charles, Rolf Färe, and Shawna Grosskopf

CENTRUM Católica’s Working Paper No. 2015-09-0016

DOI: http://dx.doi.org/10.7835/ccwp-2015-09-0016


This short communication complements the DEA model proposed by Lovell and Pastor (Eur. J. Oper. Res. 118 (1999), 46-51), by incorporating both positive and negative criteria in the model. As such, we propose a DEA model, known as pure DEA, using a directional distance function approach.

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