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Development of a model to assess environmental performance, concerning HSE-MS principles |
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| Authors: | M Abbaspour F Hosseinzadeh Lotfi A R Karbassi E Roayaei H Nikoomaram |
| Institution: | 1. Graduate Faculty of Environment and Energy, Science and Research Campus of IAU, P.O. Box 14515-775, Tehran, Iran 2. School of Mechanical Engineering, Sharif University of Technology, P.O. Box 11155-8639, Tehran, Iran 3. Department of Mathematics, Science and Research Campus of IAU, P.O. Box 14515-775, Tehran, Iran 4. Graduate Faculty of Environment, University of Tehran, P.O. Box 14155-6135, Tehran, Iran 5. EOR Research Institute, National Iranian Oil Company (NIOC)—Research and Technology Directorate, ZIP Code 1969813771, Tehran, Iran 6. Department of Environmental Management, Science and Research Campus of IAU, P.O. Box 14515-775, Tehran, Iran |
| Abstract: | The main objective of the present study was to develop a valid and appropriate model to evaluate companies’ efficiency and environmental performance, concerning health, safety, and environmental management system principles. The proposed model overcomes the shortcomings of the previous models developed in this area. This model has been designed on the basis of a mathematical method known as Data Envelopment Analysis (DEA). In order to differentiate high-performing companies from weak ones, one of DEA nonradial models named as enhanced Russell graph efficiency measure has been applied. Since some of the environmental performance indicators cannot be controlled by companies’ managers, it was necessary to develop the model in a way that it could be applied when discretionary and/or nondiscretionary factors were involved. The model, then, has been modified on a real case that comprised 12 oil and gas general contractors. The results showed the relative efficiency, inefficiency sources, and the rank of contractors. |
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