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Audit Market Concentration And Audit Quality, Sanjay Kallapur, Srinivasan Sankaraguruswamy, Yoonseok Zang
Audit Market Concentration And Audit Quality, Sanjay Kallapur, Srinivasan Sankaraguruswamy, Yoonseok Zang
Research Collection School Of Accountancy
Policymakers and regulators have been concerned about the impact of audit market concentration resulting from decline in the number of audit firms due to mergers and the demise of Arthur Andersen. In this paper we find a positive association between audit market concentration (Herfindahl index) at the MSA level and audit quality (measured by discretionary accruals and the Dechow-Dichev (2002) measure of accrual quality). We control for fixed year effects, therefore our results are unlikely to be affected by the increase in concentration due to Andersen’s demise contemporaneous with an increase in audit quality because of regulatory measures such as …