The Relation of The Different Dimensions of Corporate Governance with Tax Avoidance in Accepted Companies on Tehran Stock Exchange

Document Type : Original Article

Author
Mohsen Hamidian
Assistant Professor and Academic Member of the Accounting Department, Islamic Azad University, Tehran South Branch, Tehran, Iran
Abstract
The purpose of this research is to investigate the relationship between the dimensions of corporate governance and tax avoidance in accepted companies on Tehran stock exchange. The used data, from the accepted companies in Tehran stock exchange, have been elicited during 2005 to 2013. This study used multivariate regression model for analyzing data and testing hypothesis .the results from testing the hypothesis of the research show that there is no significant correlation between the proportion of outside board members with their tax avoidance and also there is no significant relationship among the ownership and  authority of government  into company and tax avoidance of companies  .other hypothesis of this research suggest that there is  a positive and meaningful relationship between the volatility of returns and, high commercial risk, remuneration of the board,  the shares owned by board members and free float stock percentage  with tax avoidance and there is a negative and meaningful relationship between low commercial risk , CEO separation from members  and institutional shareholders ownership with tax avoidance , and it is approved at confirmed confidence level of 95 %.
Keywords
Tax Avoidance
Internal dimensions of corporate governance
External dimensions of corporate governance
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