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European Online Journal of Natural and Social Sciences

Performance evaluation of petrochemical firms accepted in Tehran stock exchange using DEA (window analysis)

Mohammad Hossein Ranjbar, Bizhan Abedini, Elham Afroomand

Abstract


In the past two decades, organizational performance management has become one of the most attractive topics of study. Each organization is needed to evaluate its system to determine the appropriateness and quality of your work in dynamic environments. Data envelopment analysis provides a theoretical framework for performance analysis and performance measurement. The data envelopment analysis (DEA) is a linear programming technique, whose main purpose is to compare and evaluate a number of similar decision making units which have different amounts of used inputs and produced outputs. Dynamic method of data envelopment analysis (window analysis), is a method that enables the calculation of performance over time and can result in improved outcomes.We use the model described in this paper, the performance of listed companies in the petrochemical industry review. The evaluation results are indicated with different companies. The results showed that the six companies are 80% more efficient.


Keywords


Efficiency, Performance evaluation, Window Analysis, Stock

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