Survey of comparing the effect of ownership type ( public and private ) on the earnings quality of firms listed in Tehran Stock Exchange

Document Type : Original Article

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Abstract

Abstract: The purpose of this study is to investigate the effect of ownership type (public and private) on the earnings quality of firms listed in Tehran Stock Exchange.two-dimensional variable of ownership type (public and private) is the independent and the two-dimensional variable of earnings quality (volatility of earnings & discretionary accruals in the modified Jones model) is the dependent variable.The research sample consisted of 540 year - company during the period 2003 to 2012 . The main hypothesis of this research is based on the relationship between ownership type and earnings quality.  multivariate analysis of variance (MANOVA) is used to examine the main hypothesis & to test multiple regression models of sub-hypotheses, ordinary least squares (OLS) and Generalized least squares (GLS) are fitted to the panel data. The results reveal that there is a statistically significant relationship between the ownership type and earnings quality at the 95 percent confidence level , Private companies have higher earnings quality than firms owned and controlled by the state.

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