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Weak Disposability in Integer-Valued Data Envelopment Analysis مقاله



Conventional data envelopment analysis (DEA) models normally assume all inputs and outputs are real valued and continuous. However in problems some inputs and outputs can only take integer values, also, both desirable and undesirable outputs can be generated . In this paper the effect of undesirable outputs in integer DEA model is discussed. The proposed model distinguishes weak disposability of outputs imposing non-uniform abatement factor Compared with radial models, a non radial model that directly deals with slacks is developed to calculate eciency for integer-valued data set. An empirical application is used to illustrate the approach.

کلیدواژه ها:

Efficiency ، Data Envelopment Analysis (DEA) ، Undesirable Factors ، DMU ، Weak ، Disposability ، Integer Integervalued

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