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This is done via procedures referred to as Data Envelopment Analysis (= DEA) in which one first obtains boundaries or envelopes from the data for PFT and NFT, respectively. These boundaries provide a ...
Christopher F. Parmeter, Valentin Zelenyuk, Combining the Virtues of Stochastic Frontier and Data Envelopment Analysis, Operations Research, Vol. 67, No. 6 (November–December 2019), pp. 1628-1658 ...
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