Fuzzy efficiency without convexity

被引：6
|
作者：
Hougaard, Jens Leth [1 ]
Balezentis, Tomas [2 ,3 ]
机构：
[1] Univ Copenhagen, Dept Food & Resource Econ, DK-1958 Frederiksberg C, Denmark
[2] Lithuanian Inst Agrarian Econ, LT-03105 Vilnius, Lithuania
[3] Vilnius Univ, LT-10222 Vilnius, Lithuania
来源：
FUZZY SETS AND SYSTEMS | 2014年 / 255卷
关键词：
Fuzzy efficiency; Fuzzy DEA; Fuzzy FDH; Non-convexity; Farm efficiency; DATA ENVELOPMENT ANALYSIS; MATHEMATICAL-PROGRAMMING APPROACH; PAIR-WISE DOMINANCE; TECHNICAL EFFICIENCY; IMPRECISE DATA; INTERVAL DATA; DEA; MODELS; PERFORMANCE; SCORES;
D O I：
10.1016/j.fss.2014.04.009
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper we develop a fuzzy version of the crisp Free Disposal Hull (FDH) method for measuring technical efficiency for samples of similar production units. The FDH-method is basically Data Envelopment Analysis (DEA) without the underlying assumption of convexity of the technology set. Our approach builds directly upon the definition of Farrell's indexes of technical efficiency used in crisp FDH. Therefore we do not require the use of fuzzy programming techniques but only utilize ranking probabilities of intervals as well as a related definition of dominance between pairs of intervals. We illustrate the approach using a data set of 200 Lithuanian family farms for the period of 2004-2009. (c) 2014 Elsevier B.V. All rights reserved.
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页码：17 / 29
页数：13
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