The Survey Relationship between EVA and Q Versions of Conventional Tubines to Evaluate the Performance of Companies Listed in Tehran Stock Exchange

This study investigated the correlation coefficient EVA as a measure of performance evaluation index companies listed in Tehran Stock Exchangein the automotive and construction segments Tobin Q is the current version. The studyListed Companiesthe Tehran Stock ExchangeThere are parts in the automotive industry. The population size was35 companiesAmong the 26 companies in deletion(Census sampling) have been selected. In this study, the following hypotheses have been proposed. 1. There is a significant relationshipbetween ratio EVAand Q a simple Tobin. 2. There is a significant relationshipbetween ratio between EVA and Q Lindbergh and Ross. 3 - There is a significant relationshipbetween the EVA and Q Chung and Pruitt. Hypotheses have been proposed, using multiple linear regression method and Pearson correlation test were the results of the three hypotheses indicate that the ratio P / E and versions of conventional Q Tobin (Qs, Q-LR and CP-Q) in the automotive industry during 2004 to 2010 there was no correlation of construction components.