Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea

In South Korea, due to concurrent fnancial scandals, Korean legislators implemented two major audit policies in the 2000s; the mandatory audit “partner” rotation policy in 2000 and the mandatory audit “frm” rotation policy in 2006. The mandatory audit “frm” rotation policy was introduced as a mea...

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Main Authors: Jong , seo Choi, Hyoung , joo Lim, Mal, Dafydd
Format: Article
Language:English
Published: Asian Academy of Management (AAM) 2017
Subjects:
Online Access:http://eprints.usm.my/37116/1/aamjaf13012017_1.pdf
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author Jong , seo Choi
Hyoung , joo Lim
Mal, Dafydd
author_facet Jong , seo Choi
Hyoung , joo Lim
Mal, Dafydd
author_sort Jong , seo Choi
collection USM
description In South Korea, due to concurrent fnancial scandals, Korean legislators implemented two major audit policies in the 2000s; the mandatory audit “partner” rotation policy in 2000 and the mandatory audit “frm” rotation policy in 2006. The mandatory audit “frm” rotation policy was introduced as a mean to improve audit quality based on the auditor entrenchment hypothesis. In this paper, we compare the audit quality of frms subjected to mandatory audit “frm” rotation with two benchmark groups, a sample that adopted the policy voluntarily; the second group consists of the mandatory “frm” rotation sample in years prior, a period frms were subject to mandatory audit “partner” rotation. Using accrual-based measures as proxies for audit quality, we fnd evidence that audit quality of the mandatory rotation frm sample is lower compared to frms that voluntarily adopted the policy. Furthermore, we fnd evidence that audit quality of the mandatory rotation frm sample is lower compared to the mandatory audit partner frm sample. Additionally, we also fnd evidence that the mandatory audit frms rotation sample whose auditors were rotated from Non-Big4 to Big4 are generally associated with lower levels of abnormal accruals consistent with the argument that the audit quality of Big4 accounting frms is superior to Non-Big4 frms. Finally, longer audit tenure and switches to Big4 audit frms generally have a positive effect upon audit quality. These fndings suggest that extended audit tenure improves audit quality due to accounting frm’s
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spelling usm.eprints-371162017-10-16T01:28:23Z http://eprints.usm.my/37116/ Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea Jong , seo Choi Hyoung , joo Lim Mal, Dafydd HD28-70 Management. Industrial Management In South Korea, due to concurrent fnancial scandals, Korean legislators implemented two major audit policies in the 2000s; the mandatory audit “partner” rotation policy in 2000 and the mandatory audit “frm” rotation policy in 2006. The mandatory audit “frm” rotation policy was introduced as a mean to improve audit quality based on the auditor entrenchment hypothesis. In this paper, we compare the audit quality of frms subjected to mandatory audit “frm” rotation with two benchmark groups, a sample that adopted the policy voluntarily; the second group consists of the mandatory “frm” rotation sample in years prior, a period frms were subject to mandatory audit “partner” rotation. Using accrual-based measures as proxies for audit quality, we fnd evidence that audit quality of the mandatory rotation frm sample is lower compared to frms that voluntarily adopted the policy. Furthermore, we fnd evidence that audit quality of the mandatory rotation frm sample is lower compared to the mandatory audit partner frm sample. Additionally, we also fnd evidence that the mandatory audit frms rotation sample whose auditors were rotated from Non-Big4 to Big4 are generally associated with lower levels of abnormal accruals consistent with the argument that the audit quality of Big4 accounting frms is superior to Non-Big4 frms. Finally, longer audit tenure and switches to Big4 audit frms generally have a positive effect upon audit quality. These fndings suggest that extended audit tenure improves audit quality due to accounting frm’s Asian Academy of Management (AAM) 2017 Article PeerReviewed application/pdf en http://eprints.usm.my/37116/1/aamjaf13012017_1.pdf Jong , seo Choi and Hyoung , joo Lim and Mal, Dafydd (2017) Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea. Asian Academy of Management Journal of Accounting and Finance, 13 (1). pp. 1-40. ISSN 1823-4992 http://web.usm.my/journal/aamjaf/aamjaf13012017/aamjaf13012017_1.pdf
spellingShingle HD28-70 Management. Industrial Management
Jong , seo Choi
Hyoung , joo Lim
Mal, Dafydd
Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea
title Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea
title_full Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea
title_fullStr Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea
title_full_unstemmed Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea
title_short Mandatory Audit Firm Rotation And Big4 Effect On Audit Quality: Evidence From South Korea
title_sort mandatory audit firm rotation and big4 effect on audit quality evidence from south korea
topic HD28-70 Management. Industrial Management
url http://eprints.usm.my/37116/1/aamjaf13012017_1.pdf
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AT hyoungjoolim mandatoryauditfirmrotationandbig4effectonauditqualityevidencefromsouthkorea
AT maldafydd mandatoryauditfirmrotationandbig4effectonauditqualityevidencefromsouthkorea