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2003 Journal Article On aggregate Farrell efficienciesFäre, Rolf and Zelenyuk, Valentin (2003). On aggregate Farrell efficiencies. European Journal of Operational Research, 146 (3), 615-620. doi: 10.1016/S0377-2217(02)00259-X |
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2002 Journal Article Discussion on the paper by StoneFäre, Rolf, Grosskopf, Shawna and Zelenyuk, Valentin (2002). Discussion on the paper by Stone. Journal of the Royal Statistical Society. Series A: Statistics in Society, 165 (3), 429-430. doi: 10.1111/1467-985x.02462 |
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2002 Journal Article Input aggregation and technical efficiencyFäre, Rolf and Zelenyuk, Valentin (2002). Input aggregation and technical efficiency. Applied Economics Letters, 9 (10), 635-636. doi: 10.1080/13504850110118165 |
