Measuring productivity change in DEA-R: A ratio-based profit efficiency model

S. Tohidnia and G. Tohidi

Journal of the Operational Research Society, 2019, vol. 70, issue 9, 1511-1521

Abstract: The main purpose of the present study is to evaluate the productivity change of decision making units (DMUs) over time based on ratio data envelopment analysis (DEA-R). To achieve this aim, we formulate a ratio-based profit efficiency model that is inspired by the ratio form of the profit efficiency. Also, a non-oriented DEA-R model is presented to define DEA-R allocative efficiency of DMUs which by using it the proposed productivity index can be decomposed into four components. Finally, a numerical example is presented to compare the results of the proposed approach with DEA approach.

Date: 2019
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DOI: 10.1080/01605682.2018.1506561

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