한국채택국제회계기준의 도입이 이익지속성에 미치는 영향

The purpose of this study is to conduct an empirical analysis on the improvement of accounting information's usefulness after K-IFRS adoption. The quality of accounting information was verified by earnings persistence. Changes of earning persistence were compared before and after K-IFRS introduction and additional verification was conducted by dividing into KOSPI market and KOSDAQ market so as to examine the effects of introduction by firm size. Finally, differences of introduction effects were additionally analyzed in case of firms belonged to large business group. After K-IFRS adoption, earnings persistence was increased and it's expected to show differences of earning persistence improving effects by firm size. As the result of analysis, first, earnings persistence was increased after K-IFRS introduction. Second, KOSPI market listed firms showed more improvement of additional earnings persistence after K-IFRS introduction than KOSDAQ market registered firms. Third, large business group nominated firms showed more additional earnings persistence than general firms, but there was not statistical significance. This research is significant to qualitative improvement of earnings persistence was verified among the effects of K-IFRS introduction. As the result of verification, the quality of accounting effects was improved after K-IFRS introduction and there was qualitative improvement of accounting information by firm size. Therefore, it should provide significant implications to policy making authorities who will lead introduction and settlement of K-IFRS in the future and firms who are considering voluntary introduction of K-IFRS. It’s sorry that we don’t enough analysis data due to an initial introduction of K-IFRS.