Calculating Cost Efficiency with Integer Data in the Absence of Convexity

Subject Areas : International Journal of Data Envelopment Analysis

Arezoo Khoshgova ¹ , Mohsen Rostamy-Malkhalifeh ²

1 - Master’s Degree in Applied Mathematics, Science and Research Branch , Islamic Azad University, Tehran, Iran.
2 - Associate Professor, Department of Applied Mathematics, Science and Research Branch Islamic Azad University, Tehran, Iran.

Received: 2016-01-11 Accepted : 2016-01-11 Published : 2016-01-01

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References:

[1] Charnes, A., Cooper, W.W., & Rhodes, E.(1978).Measuring the efficiency of decision making units. European Journal of Operational Research, 2(6), 429–444

[2] Farrell, M. J.(1957).The measurement of productive efficiency. Journal of the Royal Statistical Society, Series

[3] Banker, R.D., Charnes, A.,& Cooper, W.W.(1984).Some models for estimating technical and scale inefficiencies in data envelopment analysis. Management Science, 30,1078–1092