investigation of the effect of internal factors on the tobin’s q ratio and value of the companies accepted in tehran stock exchange

The aim of this study was to investigate the effect of internal factors of the company on the tobin’s q ration and the value of companies admitted in tehran securities exchange stock exchange with the approach of structural equation modeling. in this study the effect of corporate governance, capital structure and profit sharing policy as internal variables on corporate value was investigated. this research is practical in terms of goal. statistical population of the present study is the companies accepted in the tehran stock exchange between 2012 to 2016. among them, 161 companies were selected as sample through systematic elimination. after finding to fit the acceptable model of ‏ measurement and structure of the research, the results showed that internal variables have a positive effect on the tobin’s q ratio. among the internal variables, the returnsharing policy has the most impact on the tobin’s q ratio. the tobin’s q ratio can mediate the relationship between local variables and the corporate value.