Effect of extraordinary items on value relevance of earnings and income smoothing

Document Type : Original Article

Authors

1 Associate professor of shahid chamran university

2 Member of Scientific Staff of Mahshahr Islamic Azad University

3 M.A of Accounting

10.22034/iaar.2013.104550

Abstract

       The purpose of this research is investigation of income smoothing by use of extraordinary items in the context of companies listed in Tehran stock exchange. Income smoothing is intelligent reflect that use by manager for decreasing of periodical Volatility of earnings. In this research, population is 96 firms listed in Tehran stock exchange that are analyzed for the period of 2003-2009 by using of the Pooled Data system and Ordinary Least Square Regressions (OLS) Model. Research has tow hypothesis. The results show that firms of sample use extraordinary items for smoothing of income and extraordinary items do not increasing value relevance of earnings.  

Keywords