THE IMPACT OF AUDIT QUALITY ON THE DISCLOSURE OF KEY AUDIT MATTERS UNDER ISA 701: A STUDY ON COMPANIES LISTED IN THE BIST 100 INDEX

Abstract

This study aims to determine the direct and indirect effects of certain indicators of audit quality on key audit matters included in auditor reports within the scope of ISA 701. The dataset comprises information obtained from the independent auditor reports and annual reports of companies listed on the Borsa Istanbul 100 Index. Analyses conducted using Structural Equation Modeling reveal a negative significant relationship between audit firm size and key audit matters, while a positive significant relationship is identified between the audit committee and key audit matters. Additionally, a positive significant relationship is observed between audit firm size and the audit committee, which is designated as a mediating variable, whereas a negative significant relationship is found between the auditor’s industry expertise and the audit committee. Furthermore, audit firm size and audit fees are shown to have a positive significant impact on key audit matters through the audit committee, whereas the auditor’s industry expertise exerts a negative significant effect. The study concludes by addressing certain limitations and providing recommendations for future research on related topics.

Keywords

• Independent Audit Quality
• Key Audit Matters
• Structural Equation Modeling
• BIST 100

Bağımsız Denetim Kalitesinin Kilit Denetim Konularına Etkisi: BIST 100 Endeksinde Bir Analiz

Abstract

Bağımsız denetim kalitesine ilişkin bazı göstergelerin BDS 701 standardı kapsamında denetçi raporlarında yer alan kilit denetim konuları üzerindeki doğrudan ve dolaylı etkilerini belirlemek amacıyla gerçekleştirilen bu çalışmanın veri setini Borsa İstanbul 100 endeksindeki işletmelerin bağımsız denetçi raporlarından ve faaliyet raporlarından elde edilen veriler oluşturmaktadır. Bu çalışma, bağımsız denetim kalitesinin kilit denetim konularının açıklanması üzerindeki etkisini Yapısal Eşitlik Modellemesi (YEM) ile analiz ederek, literatürde sınırlı olan bu ilişkiye yönelik sonuçlar ortaya koymaktadır. Mevcut araştırmalardan farklı olarak, denetim kalite göstergelerinin kilit denetim konularının sayısına etkisini inceleyerek hem akademik literatüre katkı sağlamakta hem de uygulayıcılara yeni bir bakış açısı sunmaktadır. Yapısal eşitlik modellemesi ile yapılan analizler; denetim şirketi büyüklüğünün kilit denetim konuları ile negatif anlamlı, denetim komitesinin ise pozitif anlamlı bir ilişkiye sahip olduğunu göstermiştir. Denetim şirketi büyüklüğü ile aracı değişken olarak belirlenen denetim komitesi arasında pozitif, denetçinin sektör uzmanlığı ile denetim komitesi arasında ise negatif anlamlı bir ilişki bulunmuştur. Ayrıca, denetim şirketi büyüklüğü ve denetim ücretinin denetim komitesi aracılığıyla kilit denetim konularına pozitif, denetçinin sektör uzmanlığının ise negatif bir etkisi olduğu tespit edilmiştir.

Keywords

• Bağımsız Denetim Kalitesi
• Kilit Denetim Konuları
• Yapısal Eşitlik Modellemesi
• BİST 100

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