Revise Approach to Measuring Congestion Based on the Comparison of Inputs

Subject Areas : International Journal of Data Envelopment Analysis

1 - (a) Faculty Of Mathematics, Sistan and baluchestan University, Danshgah street, Zahedan, IRAN
2 - Faculty Of Mathematics, Sistan and baluchestan University, Danshgah street, Zahedan, IRAN

Received: 2014-09-28 Accepted : 2015-02-07 Published : 2015-02-07

Keywords: Data Envelopment Analysis, Congestion, Efficiency, Decision Making Unit,

Abstract :

the method for measuring the congestion of Noura et al. [A.A. Noura, F. ‎Hosseinzadeh Lotfi, G.R. Jahanshahloo, S. ‎Fanati Rashidi, R.P. Barnett, A new method for measuring congestion in data envelopment analysis, Socio-Economic Planning Sciences, 44 (2010) 240-246] ,there is no problem for congestion detection In the case of one input and one output but in higher space is not able to detect congestion of some units. we offer modification of the method of measuring the congestion of Noura et al. The proposed method ability congestion units go up and this method detect all congestion units.

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Revise Approach to Measuring Congestion Based on the Comparison of Inputs