Auditor Independence and Earnings Quality: Evidence for Market Discipline vs. Sarbanes-Oxley Proscriptions
James R. Brown
Iowa State University - Department of Finance
Property and Environment Research Center (PERC)
Michael J. Orlando
Economic Advisors, Inc.; University of Colorado at Denver; Tulane University
October 6, 2008
FSU College of Law, Law and Economics Paper No. 07-33
FSU College of Law, Public Law Research Paper No. 259
2nd Annual Conference on Empirical Legal Studies Paper
Does auditor independence improve earnings quality and, if so, is regulation necessary to realize such improvements? Popular characterizations of recent governance scandals answer "yes!", but lack support from scholarly investigations. This disagreement motivates our investigation of whether auditor independence affects earnings quality in ways that prior research would have missed, and what any such effect means for the efficiency-consequences of related governance regulations.
1. We relax a priori data-restrictions that ignore the potential for auditors' dependence on consulting fees to enhance earnings quality.
2. We measure unexpected accounting fees in a more defensible manner, and develop a matching estimator to examine whether fee disclosures improve asset-pricing efficiency; and
3. We empirically evaluate the potential for governance externalities to rationalize proscriptive regulations.
Our results offer some support for auditor independence improving earnings quality. Importantly, however, they also suggest that mandated fee disclosures exhausted regulatory opportunities to improve this dimension of corporate governance, and thus speak more directly than does the literature against Sarbanes-Oxley's proscription on jointly producing audit and non-audit services.
Number of Pages in PDF File: 43
Keywords: Auditor independence, earnings quality, corporate governance, externalities, disclosure mandates, Sarbanes-Oxley Act of 2002
JEL Classification: G14, G38, K22, M41, M43, M49working papers series
Date posted: November 2, 2006 ; Last revised: October 8, 2008
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