Designation and Explanation of Performance Evaluation Model Metals Producers Companies in Iran Stock Exchange with an Approach to Data Envelopment Analysis

Monitoring and evaluation are concepts that has long been considered as one of the main tasks of management and economics, thus the performance evaluation of subject is not an issue that is pointed out today. But what is certain is the attitudinal change that has been made in this regard which it is regarded as a means of improving performance. To gain and maintain competitive advantages, companies should seriously evaluate their performance as...