Volume 14, Issue 2 (7-2017)                   2017, 14(2): 1-18 | Back to browse issues page

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zarei H, yousefi S, mahmoudi M. Measuring Technical Efficiency of Industrial Workshops With More Than 10 Operators in IRAN by Using DEA. Journal of Operational Research and Its Applications. 2017; 14 (2) :1-18
URL: http://jamlu.liau.ac.ir/article-1-933-en.html
Department of Industrial Engineering, Urmia University of Technology, Urmia
Abstract:   (3431 Views)
Nowadays increasing the efficiency and productivity is a way of compensating the limited production factors of industries. A precise and separate measurement of these indexes for each of industrial sub-sections will lead to a categorization and comparison between industrial sub-sections. Also, effective sections can help determine the future policies in weak sections. In this case, in this paper, technical efficiency and return to scale probability of all Iranian industries─according to the 2-digit ISIC codes─have been measured for industrial workshops with more than 10 operators; this has been according to the latest data gathered from the statistical center of Iran. Technical efficiency calculations have been done by the use of DEA approach and output-oriented BCC approach, which has considered the energy variable in addition to the work force and investment inputs. The results obtained from measurements indicate that the average efficiency of industry section in the investigation interval is equal to 65%, and generally large-scale industries, have a higher rank in terms of technical efficiency compared to small-scale industries. Furthermore, applying the Anderson–Darling test and per annum calculated technical efficiency average for estimating industries’ overall efficiency distribution, shows that, the average efficiency of industry section, follows a normal distribution with the μ=.65 and σ=.09.
 
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Type of Study: Research | Subject: Special
Received: 2016/12/30 | Accepted: 2017/06/2 | Published: 2017/08/21

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