Year 2018, Volume 5, Issue 2, Pages 370 - 388 2018-05-14

Efficiency Measurement With A Three-Stage Hybrid Method

İrfan Ertuğrul [1] , Tayfun Öztaş [2]

110 236

Data Envelopment Analysis (DEA) is one of the most widely used efficiency measurement techniques in the literature. In the method developed by Charnes, Cooper, and Rhodes, the relation between input(s) and output(s) is examined and relative efficiency values are obtained for many decision-making units. In order to be able to accurately measure the efficiency with Data Envelopment Analysis, the selection of input and output variables needs to be done carefully otherwise, the results may be misleading. For this purpose, it is aimed to make an objective selection process by using Grey Relational Analysis (GRA) in the identification of variables in the study. Via this method 17 financial ratios of 20 firms in the BIST Food Index for the period of 2013-2015 categorized into 4 groups, then each category clustered and the ratios which have the highest correlation within each cluster selected as representative indicator. Thus, 3 inputs and 2 output variables were selected so that the number of variables was reduced from 17 to 5.  An input-oriented BCC model was established with selected variables to determine the efficiencies of firms in each period. The Malmquist Total Factor Productivity Index was used to analyze the productivity changes between periods. It was concluded that 7 firms were efficient in each year and the productivity of the sector increased between the periods as a result of the analysis.

Efficiency measurement, Grey Relational Analysis, Data Envelopment Analysis, Malmquist index, Clustering
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Primary Language en
Subjects Education, Scientific Disciplines
Published Date July
Journal Section Articles

Author: İrfan Ertuğrul

Author: Tayfun Öztaş (Primary Author)

Bibtex @research article { ijate423602, journal = {International Journal of Assessment Tools in Education}, issn = {}, eissn = {2148-7456}, address = {İzzet KARA}, year = {2018}, volume = {5}, pages = {370 - 388}, doi = {10.21449/ijate.423602}, title = {Efficiency Measurement With A Three-Stage Hybrid Method}, key = {cite}, author = {Ertuğrul, İrfan and Öztaş, Tayfun} }
APA Ertuğrul, İ , Öztaş, T . (2018). Efficiency Measurement With A Three-Stage Hybrid Method. International Journal of Assessment Tools in Education, 5 (2), 370-388. DOI: 10.21449/ijate.423602
MLA Ertuğrul, İ , Öztaş, T . "Efficiency Measurement With A Three-Stage Hybrid Method". International Journal of Assessment Tools in Education 5 (2018): 370-388 <>
Chicago Ertuğrul, İ , Öztaş, T . "Efficiency Measurement With A Three-Stage Hybrid Method". International Journal of Assessment Tools in Education 5 (2018): 370-388
RIS TY - JOUR T1 - Efficiency Measurement With A Three-Stage Hybrid Method AU - İrfan Ertuğrul , Tayfun Öztaş Y1 - 2018 PY - 2018 N1 - doi: 10.21449/ijate.423602 DO - 10.21449/ijate.423602 T2 - International Journal of Assessment Tools in Education JF - Journal JO - JOR SP - 370 EP - 388 VL - 5 IS - 2 SN - -2148-7456 M3 - doi: 10.21449/ijate.423602 UR - Y2 - 2018 ER -
EndNote %0 International Journal of Assessment Tools in Education Efficiency Measurement With A Three-Stage Hybrid Method %A İrfan Ertuğrul , Tayfun Öztaş %T Efficiency Measurement With A Three-Stage Hybrid Method %D 2018 %J International Journal of Assessment Tools in Education %P -2148-7456 %V 5 %N 2 %R doi: 10.21449/ijate.423602 %U 10.21449/ijate.423602
ISNAD Ertuğrul, İrfan , Öztaş, Tayfun . "Efficiency Measurement With A Three-Stage Hybrid Method". International Journal of Assessment Tools in Education 5 / 2 (May 2018): 370-388.