تاثیر کیفیت افشا بر رابطه ارزشی اقلام صورت‌های مالی

High quality accounting information is a necessary condition for well-functioning capital markets and health of overall economy as a whole. it is also very important for investors, companies, and standard setters. considering this fact, this study examines the effect of disclosure quality on the value relevance of financial statements items. for this purpose, first of all the value relevance of financial statements items and the value relevance of disclosure quality characteristic with future stock return are tested. then, the effect of disclosure quality on the relationship between financial statements items and future stock return is examined.the statistical population is the listed companies in tehran stock exchange during 1383 to 1391. panel data regression analysis (time-fixed effect model and time-random effect model) and wald test are used as the research methods. the results indicate that financial statements items (except operating profit and debt ratio) and financial information reliability and timeliness characteristics have significant relationships with future stock return. also, the results show that disclosure quality and communication score has no significant effect on the value relevance of financial statements items with future stock return.