We use data from internal assessments of audit quality in a Big 4 firm to investigate the impact of audit firm tenure and auditor-provided non-audit services (NAS) on audit quality. We find that first-year audits receive lower assessments of audit quality and that quality improves shortly...

A recently published academic study by Causholli, Chambers, and Payne (2014) brings new evidence to a long-standing debate about whether the provision of non-audit services (NAS) can impair auditor independence. Prior research on this question has largely found no evidence of lower financial...