Bahram Kyani - The member of Iranian Association Certified Public Accountants
Azizollah Moradi - The Member of Youth and Elite Club

The Objective of this study was to examine the impact of information asymmetry in capital markets on tax aggressiveness. This study is an applied one objectively, a descriptive-association one in nature and a post-event one methodologically. Population consisted of all corporates at Tehran Stock Exchange. Rah Avard Novin, Codal website and financial statement information are used to gather data. Some conditions are determined to select sample size due to heterogeneous among population members and therefore sample size are selected using systematic removal method (n=148). Data was analyzed using regression models, Hsmer Test and Mc Fadden Test. Results showed that tax aggressiveness is influenced by information asymmetry in capital markets. Findings of this study can be used by regulators, accountants and auditors.

Tax Avoidance, Tax aggressiveness, Information Asymmetry, Capital Markets