aAssistant Professor, Faculty of Financial Sciences, University of Economic Sciences. No 66. roudsar ave, hafez ave,, p.o. box: 15875 1111, Tehran, Iran
bMaster of Accounting, Science and Research Branch, Islamic Azad University, Saveh, Iran
cMaster of Accounting, Central Tehran Branch, Islamic Azad University, Tehran, Iran
This study evaluated the impact of earnings quality on abnormal returns on listed companies at Tehran Stock Exchange. In this study, quality of earnings and abnormal returns in the time domain between the years 2006 to 2011 companies listed in Tehran Stock Exchange will be tested. The present study was quasi-experimental and ex post facto and Based on actual market data and financial statements of listed companies in Tehran Stock Exchange was and using information from the financial statements of 132 listed companies in Tehran Stock Exchange and using multiple linear regression analysis, using the software SPSS16 results The results of this study indicate that the results of the test show that the first sub-hypothesis. The size of the abnormal returns between earnings quality is impressive. Findings the second sub-hypothesis testing shows that the growth rate of firms with abnormal returns between earnings quality influences.
Smoothing, Abnormal return, Size, Growth
