Return of Share Portfolio Selected on Earnings Quality Attributes basis

According to numerous researches in different markets، the effect of many factors such as earnings information disclosure، liquidity، leverage، E/P، size and book to market value ratio has been confirmed on share portfolio return so far. In this paper، effect of earnings quality on return of different share portfolios has been investigated. Those portfolios selected from the firms listed in Tehran Stock Exchange (TSE). For hypothesis testing، companies have been divided into two groups; high and low quality of earnings، and then it’s assumed that investors can buy one of these share portfolios. The influence of six earnings attributes consist of earning persistence، earning predictability، earning response coefficient، adjusted earning response coefficient، earning value relevance، earning timeliness on share portfolio return using 69 companies information between years 1380-1389 has been tested by compare means test. Results don’t ratify earning attributes effect on share portfolio return.