SUMMARY This study presents a review of academic research on audit quality. We begin with a review of existing definitions of audit quality and describe general frameworks for establishing audit quality. Next, we summarize research on indicators of audit quality such as inputs, process, and outcomes. Finally, we offer some suggestions for future research. The study should be useful to academics interested in audit quality as well as to the Public Company Accounting Oversight Board (PCAOB) and other regulators.

We summarize relevant academic research findings to contribute to the Public Company Accounting Oversight Board ͑PCAOB͒ project on financial statement fraud and to offer insights and conclusions relevant to academics, standard setters, and practitioners. We discuss the characteristics of firms committing financial statement fraud, as identified in the literature, and research related to the fraud triangle. We then discuss research related to the procedures and abilities of auditors to detect fraud, and how fraud risk assessments impact audit planning and testing. In addition, we discuss several "high risk" areas and other issues as identified by the PCAOB. Finally, we summarize prior findings and offer conclusions and suggestions for areas where future research is needed.

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