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Information Journal Paper

Title

NON-CONVEX TECHNOLOGIES AND ECONOMIC EFFICIENCY MEASURES WITH IMPRECISE DATA

Pages

  259-275

Abstract

 The ECONOMIC EFFICIENCY (EE) measure in non-convex technologies requires the data of input/output vectors and prices to be known deterministically. But as regards the data of the production process in many real-world applications, rather than DEAling with crisp real numbers and crisp intervals, one has to DEAl with ”approximate” numbers or intervals of the type that can be described as ”numbers that are close to a given real number.” For the aforementioned reason, development of the ECONOMIC EFFICIENCY models in such a way that they can DEAl with imprecise data, has become an issue of great interest. To this end, the notion of bounded data and fuzziness has been introduced. This paper develops a procedure to compute the ECONOMIC EFFICIENCY measures with non-convex technologies in the presence of UNCERTAIN DATA. In this study, uncertain EE formulas are transformed into a family of crisp EE formulas and LP models, based on comparison intervals and a-cuts. To obtain the bounds of the membership functions of efficiencies, we propose a family of parametric two-level programs. This pair of parametric programming problems gives the lower and upper bounds of a- cuts corresponding to the membership function of EE. Then, we prove that the lower bound is computed by some closed form expressions, but to obtain the upper bound we solve a LP model. Since the efficiency measures are expressed by membership functions rather than by crisp values, more information is provided for the management. Moreover, two examples are provided for illustrating the proposed approaches.

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    Cite

    APA: Copy

    MOSTAFAEE, A.. (2011). NON-CONVEX TECHNOLOGIES AND ECONOMIC EFFICIENCY MEASURES WITH IMPRECISE DATA. INTERNATIONAL JOURNAL OF INDUSTRIAL MATHEMATICS, 3(4), 259-275. SID. https://sid.ir/paper/574156/en

    Vancouver: Copy

    MOSTAFAEE A.. NON-CONVEX TECHNOLOGIES AND ECONOMIC EFFICIENCY MEASURES WITH IMPRECISE DATA. INTERNATIONAL JOURNAL OF INDUSTRIAL MATHEMATICS[Internet]. 2011;3(4):259-275. Available from: https://sid.ir/paper/574156/en

    IEEE: Copy

    A. MOSTAFAEE, “NON-CONVEX TECHNOLOGIES AND ECONOMIC EFFICIENCY MEASURES WITH IMPRECISE DATA,” INTERNATIONAL JOURNAL OF INDUSTRIAL MATHEMATICS, vol. 3, no. 4, pp. 259–275, 2011, [Online]. Available: https://sid.ir/paper/574156/en

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