Investigating the Relationship between Corporate Characteristics and Tax Avoidance and the Effect of ‎Moderator of Earnings Management on their Relationship in the Companies accepted Tehran Stock ‎Exchange

Tax is the most important source of government financing, not only in developed countries, but also in developing countries. On the other hand, tax is one of the factors leading to the exclusion of company resources; therefore, identification of factors affecting taxation of companies is very important. So, the purpose of this study is to investigate the relationship between corporate characteristics and avoidance of taxes and analyze the effects of managing earnings on the relationship between corporate characteristics and tax evasion. The characteristics of the company in this study were based on profitability, leverage and size. In this study, 61 companies listed in Tehran Stock Exchange during the period (2012-2016) were selected as the sample and were selected using systematic elimination method. The data regression results using Eviews software with random effects model showed that the characteristics of a company, namely profitability, financial leverage and size have a significant effect on tax avoidance. On the other hand, the performance of earnings management can modify the effects of profitability, company size and leverage on tax avoidance.