مقايسه مربوط بودن سود عملياتي درمقايسه با سود غيرعملياتي دربازارسرمايه ايران

Comparative Study of Operating Profit with Unoperating profit in Iran Capital Market

This study investigates the value relevance of operating income versus non operating income at Iran capital market. Regarding the main objective of accounting practice, value relevance is a concept that has always required more attention by accountants and regulators. By definition a factor is relevant if its reflection at asset marketʹs value is not negligible. For this study in the period 1379-1385 companies in each year and totally 581 company/year investigate. We use regression and T test and Wald test. Our results show that operating income is more relevant to the market. This result could be consistent with big bath theory and as a result of market attention to management choice in order to change non operating income; to achieve their objectives. Consequently the non operating items have more relevant for the market.