The Effect of Extraordinary Items on Income Smoothing and Informational Content: Tehran Stock Exchange, Iran

چکیده مقاله

The purpose of this research is to investigate the informational content of extraordinary items and its effect on income smoothing for firms accepted in Tehran’s stock exchange. Income smoothing is defined as management basic interfering in reducing the income’s periodic fluctuations.  The research data have analyzed using a sample including 96 firms accepted in Tehran’s stock exchange for a 7 years period (2008-2014). Ordinary least square regression (OLS), scattering coefficient and determine coefficient models were used for hypothesizes testing. The obtained results suggested that the income smoothing using extraordinary items exists in the under study firms. Also the results revealed that the extraordinary items don’t increase the income’s informational content.

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