A Study on the Effect of the Thematic Audit Review on Conservative Accounting of Unbilled Revenue

테마감리가 미청구공사의 보수적 회계처리에 미치는 영향에 관한 연구

  • Park, Yeon Ho (Department of Accounting, Chonman National University) ;
  • Um, Jae Yeon (Department of Accounting, Chonman National University) ;
  • Jeon, Seong Il (Department of Business Adminstration, Chonman National University)
  • Received : 2021.01.07
  • Accepted : 2021.04.01
  • Published : 2021.04.30

Abstract

On December 2015, Financial Supervisory Service(FSS) announced the four key thematic audit review areas, one of them is an appropriation of unbilled revenue. Accounting of unbilled revenue is intertwined with a percentage of completion, that is concerned about discretionary decision by manager. Therefore, if manager motivated by income-increasing manipulation is exaggerating percentage of completion, unbilled revenue is excessively recognized. This problem is caused the serious accounting issues(e.g., shock at a loss for 2013 fiscal year by some construction firms, malpractice of accounting in order-made production industry). Distrust of accounting was grown because the shipbuilding and construction industries successively went poor management and bad accounting of them is revealed. Those accounting issues were the trigger for problem recognition of unbilled revenue, they were background for the designation of appropriation unbilled revenue as thematic audit review areas by FSS. Therefore, this study verified effectiveness of thematic audit review by empirically analyzing whether designation of thematic audit review makes the firm increases conservative behavior. Conservative accounting is estimated by using Basu(1997) model. We analyzed the effect of the thematic audit review on conservative accounting of unbilled revenue by comparing with reflecting unbilled revenue or not. The sample for test consists of firm-years the manufacturing and construction industries from 2012 to 2017. The test results of this study suggested that the conservative accounting of unbilled revenue after designation of the thematic audit review was significantly increased. We also tested again by classifying whether or not it is construction industry. We found that construction industry is more conservative than the other industry only for the designated year of the thematic audit review, otherwise there was not any evidence for significantly increasing conservatism. This study contributes to the literature by empirically analysing relationship of the unbilled revenue to the thematic audit review from the perspective of the conservatism and verifying effectiveness of the thematic audit review.

2015년 12월 금융감독원은 4대 중점 테마감리분야 중 하나로 미청구공사 금액의 적정성을 지정하였다. 주요한 지정원인 중 하나는 미청구공사 회계처리 시 밀접하게 연관되는 공사진행률이 경영자의 재량적 판단이 반영되어 미청구공사를 이익조정의 수단으로 이용될 수 있다는 점이다. 만약 경영자가 이익을 상향할 목적으로 진행률을 부풀린다면 미청구공사가 과다하게 인식되는 문제가 발생하게 된다. 이러한 문제점은 2013년 일부 건설업체의 어닝쇼크를 비롯하여 수주산업에서의 회계부실 문제와 같은 사회적으로 큰 물의를 일으켰던 이슈들의 원인이 되기도 하였다. 특히 조선업과 건설업의 잇달은 부실과 함께 미청구공사와 관련된 회계 불투명성이 크게 드러나는 등 회계자료에 대한 불신이 증가되었다. 이처럼 미청구공사에 대한 문제 인식은 공사진행률 과대산정을 비롯한 회계적 의혹에서부터 출발하였으며, 미청구공사 과대계상 이슈는 금융감독원이 미청구공사를 테마감리 대상으로 지정하게 되는 배경이 되었다. 이에 본 연구는 미청구공사의 테마감리 지정으로 인해 해당 기업의 보수주의 성향이 증가하였는지 실증분석하여 테마감리 지정의 실효성을 검증하였다. 보수주의 성향은 Basu(1997)의 측정 모형을 사용하였으며, 종속변수인 순이익에서 미청구공사의 영향을 반영하기 전과 후로 비교하여 테마감리 지정이 미청구공사의 보수적 회계처리에 미치는 영향을 분석하였다. 2012년부터 2017년까지의 제조업 및 건설업에 속하는 기업-연도 표본을 대상으로 한 실증분석 결과 테마감리 지정 이후에 미청구공사에 대한 보수적 회계처리가 유의하게 증가되었음을 확인하였다. 추가적으로 건설업과 그렇지 않은 산업으로 나누어 재검증한 결과 테마감리 지정연도에서 건설업의 보수주의 증가를 확인하였으나, 그 외에는 보수주의 증가에 대한 통계적 유의성을 확인할 수 없었다. 본 연구는 기존의 선행연구들을 확장하여 보수주의 관점에서 미청구공사와 테마감리 지정의 관련성을 실증분석하고 테마감리의 효과성을 검증했다는 점에서 의의가 있다.

Keywords

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