Iran compared to other countries, has delay in the privatization program implementation. This led privatization plans implementation after victory of Islamic Revolution and particularly after the end of imposed war is associated with the abundant experiences of privatization programs in other countries which also using developing and developed countries experiences from performance, results, requirements, challenges and solutions perspective will have great achievement for country. One of the most important questions in privatization field is that how privatization has been successful. Many indicators used to measure the success of privatization. The present research is trying to evaluate firm’s performance success and firm’s performance before and after the privatization by using EVA method. To assess the impact of privatization on corporate performance, their EVA is calculating in the period of 3 years before and three years after privatization. Then by using statistical test assess their performance once a year and once a year to year and once an average of three previous years and three years after privatization. Research results shows that firm s performance in each of three periods has increasing significant growth.

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