Journal of Convergence for Information Technology (융합정보논문지)

Convergence Society for SMB (중소기업융합학회)
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BTD Analysis around Corporate Tax Rate Changes

법인세율 변화기간의 연도별 BTD 분석

  • Park, Su-Gyeong (Department of Finance.Accounting.office Work, Gyeongnam Namhae University) ;
  • Rui, Jia (Department of Business administration, Pusan National University)
  • 박수경 (경남도립 남해대학 금융회계사무과) ;
  • 가예 (부산대학교 경영대학)
  • Received : 2019.10.31
  • Accepted : 2020.01.20
  • Published : 2020.01.28
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Abstract

This study analyzed the annual difference of firm's book income, taxable income and BTD that before and after the 2009 corporate tax rate cut and 2018 corporate tax rate increase. ANOVA analysis was performed for each item by year, and post hoc was performed after homogeneity test of variance. The research results are as follows. First, the book income at corporate tax rate cut was higher than taxable income, and BTD in 2008 was significantly different from other years. Second, the book income at corporate tax rate increase was less than taxable income, and BTD in 2017 was also significantly different from other years. In other words, the firm is performing appropriate profit adjustments to reduce of tax burden when the corporate tax rate changes. Because of this, the BTD in the year immediately before the corporate tax rate change is different from other years.

본 연구는 2009년 법인세율 인하 및 2018년 법인세율 인상 시점을 전·후한 기업의 회계이익, 과세소득, BTD의 연도별 차이를 분석하였다. 각 항목에 대한 연도별 ANOVA 분석을 실시하였으며, 등분산 검증 후 사후검증을 실시하였다. 연구결과는 다음과 같다. 첫째, 법인세율 인하시의 회계이익은 과세소득보다 많았으며 2008년도의 BTD가 다른 연도와 유의적으로 달랐다. 둘째, 법인세율 인상시의 회계이익은 과세소득보다 적었으며 2017년도의 BTD 역시 다른 연도와 유의적으로 달랐다. 즉, 법인세율 변화 시 기업은 세부담 경감을 위한 적절한 이익조정을 수행하고 있으며, 이로 인하여 법인세율 변화 직전 연도의 BTD는 다른 연도들과 차별성을 갖는 것으로 나타났다.

Keywords

References

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