Audit Market Concentration and Audit Quality
By Sanjay Kallapur, Srinivasan Sankaraguruswamy, Yoonseok Zang
DOI
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1546356
Citation
Kallapur, Sanjay., Sankaraguruswamy, Srinivasan., Zang, Yoonseok. (2013). Audit Market Concentration and Audit Quality http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1546356.
Copyright
2013
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Abstract
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 SOX. Our results are robust to alternative concentration and audit quality measures, and several sensitivity tests attempting to rule out omitted variables correlated with client firms’ MSA location or attributes of clients and auditors. Our results are also robust to controls for endogeneity between audit market concentration and audit quality. Our evidence therefore supports the Government Accountability Office (2003, 2008) conclusions that increased audit market concentration is not currently a cause for concern.

Sanjay Kallapur is a Professor of Accounting at the Indian School of Business (ISB). He joined ISB in 2005 from the Krannert School of Management, Purdue University, where he was a tenured Associate Professor.

Professor Kallapur conducts research on financial and managerial accounting, auditing, corporate governance, and risk management. He has published in each of the top three accounting journals, and his papers have been cited over 4,000 times (Google Scholar) and in regulatory policy documents in India and the UK. The American Accounting Association recently published his monograph on scientific inference in accounting research, beyond the use of p-values.

He is the founding Editor-in-Chief of Accounting Theory and Practice, a research journal focusing on India, published by Elsevier. He has been an editor of The Accounting Review from 2008 to 2011, the first person from outside North America to be appointed to that position.

Professor Kallapur is a member of National Financial Reporting Authority (NFRA), the regulatory body overseeing the accounting and auditing of listed companies in India. He is an independent director on the Board of IDBI Bank, where he serves on the risk management and audit committees. He previously served on the Board of the Life Insurance Corporation of India.

Professor Kallapur has held positions as Associate Dean and Deputy Dean for almost a decade at ISB. He started the PhD-equivalent Fellow Programme in Management at ISB and has placed his students in faculty positions at the London School of Economics, IESEG Paris, Aalto University, University of Queensland, University of Western Australia, and IIM Udaipur.

Professor Kallapur has a PhD in Business Economics from Harvard Business School, and B.Com. and M.M.S. degrees from Mumbai University. He is professionally qualified as a Fellow Member of the Institute of Cost Accountants of India (FCMA).

Sanjay Kallapur
Sanjay Kallapur