감사인이 제공하는 세무 신고 및 세무 컨설팅이 경영자의 기회주의적 행동에 미치는 효과

The audit service and non-audit service provided by auditor differ greatly in the attitude toward the client. In other words, audit service requires independence to have an attitude, but non-audit service should have an advocacy attitude. The purpose of this study is to investigate whether auditor provided tax filing and tax consulting services affect the real earnings management of managers in Korea. The methodologies implemented in this study are based on a correlation and regression analysis and the sample is selected as companies with publicly announced Korean KIS-Value and TS-2000 data of companies listed on the security market in Korea. This study shows that the tax related return and consulting services of current auditor play a restricting role in real earnings management such as opportunistic behaviors of the manager. Thus, tax services of non-audit services do not impair the auditors’ independence and improve their audit quality by using the knowledge spill-over between the audit and tax field. This provides a policy implication that the degree of regulation should be changed according to the types of non-audit services when establishing the institutional devices for the acts of providing non-audit services by current auditors.