M.A. Thesis:

Tax planning and firm value with the Moderating Role of the board of directors

The main purpose of this study is to determine the effect of tax plans on the value of the company with the role of adjusting the characteristics of the board of directors in the Tehran Stock Exchange. According to modern financial theories, there is a relationship between accounting variables and company value. Companies that have good corporate governance and make the best use of the resources at their disposal will have more value and as a result will be able to increase the wealth of the owners. The present study was conducted using a combined data method in 148 companies for a 5-year period of 2014 to 2018 years. Sample data of the studied companies were analyzed by analyzing their availability by classifying them using Excel software and analyzing them using Ives software. The research results showed; There is a positive relationship between tax plans and the value of the company and this relationship is also significant. Higher tax schemes are achieved due to higher profitability, which is also one of the most important criteria for creating value in companies. The size of the board of directors and the duality in the role of the CEO negatively and significantly adjusts the relationship between the company's value-added tax plans, as well as the independence of the board and gender diversity in the board of directors moderates the relationship between the company's value-added tax plans positively and significantly.

Keywords: Keywords; Tax Plans - Company Value - Characteristics of the Board of Directors