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The Effect of Internal Audit Function Quality and Internal Audit Contribution to External Audit on Audit Fees

The Effect of Internal Audit Function Quality and Internal Audit Contribution to External Audit... Corporate governance mandates and listing rules identify internal audit functions (IAF) as a central internal control mechanism. External auditors are expected to assess the quality of IAF before placing reliance on its work. We provide evidence on the effect of IAF quality and IAF contribution to external audit on audit fees. Using data from a matched survey of both external and internal auditors, we extend prior research which is based mainly on internal auditors' assessment and conducted predominantly in highly developed markets. We find a positive relationship between IAF quality and audit fees as well as a reduction in audit fees as a result of external auditors' reliance on IAF. The interaction between IAF quality and IAF contribution to external audit suggests that higher quality IAF induces greater external auditor reliance on internal auditors' work and thus result in lower external audit fees. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Auditing Wiley

The Effect of Internal Audit Function Quality and Internal Audit Contribution to External Audit on Audit Fees

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Publisher
Wiley
Copyright
Copyright © 2015 John Wiley & Sons Ltd
ISSN
1090-6738
eISSN
1099-1123
DOI
10.1111/ijau.12043
Publisher site
See Article on Publisher Site

Abstract

Corporate governance mandates and listing rules identify internal audit functions (IAF) as a central internal control mechanism. External auditors are expected to assess the quality of IAF before placing reliance on its work. We provide evidence on the effect of IAF quality and IAF contribution to external audit on audit fees. Using data from a matched survey of both external and internal auditors, we extend prior research which is based mainly on internal auditors' assessment and conducted predominantly in highly developed markets. We find a positive relationship between IAF quality and audit fees as well as a reduction in audit fees as a result of external auditors' reliance on IAF. The interaction between IAF quality and IAF contribution to external audit suggests that higher quality IAF induces greater external auditor reliance on internal auditors' work and thus result in lower external audit fees.

Journal

International Journal of AuditingWiley

Published: Nov 1, 2015

References