AUDIT FIRM ROTATION AND AUDIT QUALITY

Öz

The debates on the effect of independent audit rotation on audit quality can be considered as two sides of a coin. On the one side, the idea that auditor rotation would increase audit quality as it would strengthen auditor independence; on the other side, the idea that auditor rotation can lead to loss of client and sectoral-specific knowledge and the quality of audit would decrease. In this context, the aim of the study is to investigate whether rotation practice in independent audit affects the audit quality. For this purpose, 1230 firm-year data obtained from non-financial companies quoted at the Borsa Istanbul between the years of 2010-2017 are tested with regression analysis. The amount of abnormal working capital accruals are used as a proxy for audit quality. The results of the study indicate that there is no statistically significant association between audit rotation practice and independent audit quality. In other words, the results of the research do not provide any evidence to support the idea that the quality of audit may improve after audit firm rotation

Anahtar Kelimeler

• Independent audit,rotation,audit quality

BAĞIMSIZ DENETİMDE ROTASYON DENETİM KALİTESİNİ NASIL ETKİLER?

Öz

Bağımsız denetimde rotasyon uygulamasının denetim kalitesine etkisi üzerine yürütülen tartışmalar bir metal paranın iki yüzüne benzetilebilir. Bir tarafta, denetçi rotasyonunun denetçinin bağımsızlığını güçlendireceği ve denetim kalitesinin artacağı düşüncesi; diğer tarafta ise, denetçi rotasyonu neticesinde denetçinin işletmeye ve sektöre özgü birikmiş denetim bilgisini kaybedeceği ve denetim kalitesinin düşeceği düşüncesi yer almaktadır. Bu çerçevede çalışmanın amacı, bağımsız denetimde rotasyon uygulamasının denetim kalitesini nasıl etkilediğinin araştırılmasıdır. Bu amaç doğrultusunda, 2010-2017 yılları arasında Borsa İstanbul’da işlem gören finansal olmayan kuruluşlardan elde edilen 1230 şirket-yıl verisi regresyon modeli ile analiz edilmiştir. Bağımsız denetim kalitesinin ölçülmesinde anormal işletme sermayesi tahakkuklarından yararlanılmıştır. Araştırma sonuçları, denetimde rotasyon uygulaması ile bağımsız denetim kalitesi arasında istatistiksel olarak anlamlı bir ilişki olmadığını göstermektedir. Denetim rotasyonu ile ilgili olarak, farklı ülke uygulamalarının incelenmesinin düzenleyici otoritelere yararlı bilgiler sağlayacağı düşünülmektedir.

Anahtar Kelimeler

• Bağımsız denetim,Denetim kalitesi

Kaynakça

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