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On efficiency of data envelopment analysis. (English) Zbl 0961.90046
Haimes, Yacov Y. (ed.) et al., Research and practice in multiple criteria decision making. Proceedings of the 14th international conference on multiple criteria decision making (MCDM), Charlottesville, VA, USA, June 8-12, 1998. Berlin: Springer. Lect. Notes Econ. Math. Syst. 487, 208-217 (2000).
Summary: We suggest a new concept of “Value Free Efficiency” which does not introduce any value judgment for outputs and inputs. That is, similarly to the usual multiple criteria decision analysis, a Decision Making Unit (DMU) is defined to be efficient if there is no unit that consumes less inputs and produces more outputs than the DMU. In addition, we propose a generalized DEA model for estimating value free efficiency, ratio value efficiency proposed by A. Charnes, W. W. Cooper and E. Rhodes [Measuring the efficiency of decision making units. Eur. J. Oper. Res. 2, 429-444 (1978; Zbl 0443.90090)], and sum value efficiency proposed by V. Belton [Proc. Ninth Inter. Conf. Multiple Criteria Decision Making. In: A. Goicoechea, L. Duckstein, S. Zoints (eds.), Springer-Verlag/Berlin, 71-79 (1992)], and V. Belton and S. P. Vickers [J. Oper. Res. Soc. 44, 883-896 (1993)] as special cases. An illustrative example compares these concepts of efficiency.
For the entire collection see [Zbl 0940.00066].

90B50 Management decision making, including multiple objectives
90C29 Multi-objective and goal programming