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The purpose of this study is to examine the impact of audit committee effectiveness on audit fees and non-audit service (NAS) fees in a less regulatory environment.

The authors construct a composite audit committee effectiveness measure incorporating audit committee independence, diligence, size, financial expertise and the chairperson’s accounting expertise.

The authors find that audit committee effectiveness has a positive significant impact on both audit fees and NAS fees. This suggests that effective audit committees can hold auditors accountable resulting in better audit quality and consequently higher audit fees.

The link between more effective audit committees with higher NAS purchases can be explained in light of the difference in regulatory requirements providing audit committees with decision rights on the use of NASs, therefore approving more NAS and increasing NASF. Additional tests and robustness analyses confirm the results.