Effect of Continuity and Smoothing of Profit on Corporate Profit- Stock Returns With Taking into Account the Heterogeneous Relationship of Profit - Efficiency on Companies Admitted to the Tehran Stock Exchange

The purpose of this study was to investigate the effect of continuity and smoothing of profits on the relationship between corporate profits - Stock efficiency taking into account the heterogeneous profit relationship – efficiency on companies admitted to the Tehran Stock Exchange, generally, profit has always been a factor in investor decisions. In this regard, on the one hand, accounting and stock returns are linked together, on the other hand, the variable of earnings quality is related to accounting profit and stock returns. So it may be that the question arises what is the effect of the continuity and smoothing of profits on the relationship between accounting profit and stock returns? The present research seeks to answer this question; as a result, the main question of the research is presented as follows: What is the effect of continuity and smoothing of earnings on the relationship between earnings and stock returns for listed companies in Tehran Stock Exchange? To check this, the data of 123 companies listed in Tehran Stock Exchange during the years 2012-2016 were used; data was analyzed using the Logit method using Eviews10 software. Evidence and empirical findings have shown that; both profit continuity and profit smoothing criteria have significant effects on the heterogeneous relationship between current period earnings and stock returns.