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Title: Auditor tenure and stock price idiosyncratic volatility : the moderating role of industry specialization
Authors: Su, LN 
Zhao, XR
Zhou, GS
Keywords: Auditor industry specialization
Auditor tenure
Stock price idiosyncratic volatility
Issue Date: 2016
Publisher: American Accounting Association
Source: Auditing, 2016, v. 35, no. 2, p. 147-166 How to cite?
Journal: Auditing 
Abstract: In this study, we examine how investors perceive the quality of financial reports audited by auditors with long tenure. We argue that auditor tenure is an important characteristic that influences the effectiveness of audits and thus affects the amount of firm-specific information that is included in stock prices by investors. Based on a sample of U.S. firms from 2003 to 2012, we show that longer tenure is associated with higher stock price idiosyncratic volatility. Further analyses reveal that this effect is only present for industry-specialist auditors, suggesting that the effect of tenure on idiosyncratic volatility is contingent on industry expertise. Our results have a number of implications for the financial markets and the accounting and auditing professions.
ISSN: 0278-0380
DOI: 10.2308/ajpt-51256
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