회계이익변경에 대한 단순투자자의 반응 = Unsophisticated Investor`s Response on Accounting Changes

국문 초록 (Abstract)

본 연구는 1998년 초부터 2003년 6월말까지 증권거래소의 전자공시시스템에 회계변경을 공시한 상장기업을 표본으로 하여, 단순투자자의 비율이 높은 기업에서의 회계이익변경에 대한 주가반응을 살펴보았다. 연구 결과, 단순투자자(naive investor)의 대용치로 사용된 개인소액투자자의 지분이 높은 기업에서 회계변경으로 인한 보고이익의 증가가 높을수록 양(+)의 주가반응이 존재함을 발견하였다. 이 결과는 실증회계이론에서 제시한 보고이익의 증가가 계약비용을 감소시키는 효과를 통제한 후에도 유의하였다. 반면, 전문투자자(sophisticated investor)의 대용치로 사용된 기관투자자 및 외국인투자자의 지분이 높은 기업에서는 회계변경으로 인한 이익증가에 유의적인 시장반응이 관찰되지 않았다. 본 연구의 결과는 한계투자자의 전문성에 따라 회계정보에 대한 주가반응이 상이할 수 있다는 확장된 기능적 고착가설(extended functional fixation hypothesis)을 지지하는 결과이다.

다국어 초록 (Multilingual Abstract)

This study empirically examines whether there is price reaction of the accounting changing companies which have high rate of unsophisticated investors` holdings. That is, this study will analyze whether there is different response to reported earnings changes by accounting change between unsophisticated and sophisticated investors. Most significantly, this study observes the cumulative abnormal returns on the time of disclosing to the accounting change. The final sample consists of 96 listed on the Korean Stock Exchange and disclosed by an Electronic Disclosure System over the period of 1998 to June, 2003. The results of this study are summarized as follows. First, there is positive relation between price reaction of individual investors proxied by naive investors and the reported earnings by accounting changes. This means that unsophisticated investors react naively on the increase of earnings by accounting changes. Second, there is no positive relation between the price reaction of institutional or foreign investors proxied by sophisticated investors and the increasing earnings by accounting changes. This means that sophisticated investors don`t react naively in the increase of earnings by accounting changes. These results supports the extended functional fixation hypothesis that price reactions of the accounting information can be varied according to the marginal investor`s expertise.

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