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11 J. Legal Ethical & Regul. Isses 45 (2008)
An Analysis of Restatements due to Errors and Auditor Changes by Fortune 500 Companies

handle is hein.journals/jnlolletl11 and id is 173 raw text is: 45
AN ANALYSIS OF RESTATEMENTS
DUE TO ERRORS AND AUDITOR CHANGES
BY FORTUNE 500 COMPANIES
James H. Thompson, Washington State University
Timothy L. McCoy, Lamar University
ABSTRACT
Events leading to the breakup ofArthur Anderson and Co. included the failure ofEnron and
other evidence of financial reporting irregularities. Many of these irregularities involved
restatement offinancial statements due to error. During the last several years, numerous articles
in the accounting literature and accounting press have chronicled such restatements and the often-
associated change in auditor. This paper analyzes restatements due to error and auditor changes
made by Fortune 500 companies during 2001 and 2002 in order to assess whether restatements due
to error lowered or raised income and whether companies with income-decreasing errors showed
a greater propensity for changing auditors.
The data in this study were taken from 8-K reports filed by Fortune 500 Companies in 2001
and 2002 andfrom a search of the Securities and Exchange Commission's EDGAR database using
the word restate and its derivatives. We searched for and analyzed restatements that were due
to error. The income statement effects of these restatements were classified as income-decreasing
or as non income-decreasing. We identified and confirmed two hypotheses related to restatements.
First, restatements generally lowered rather than raised income. Second, companies reporting
restatements that materially reduced income were more likely to change auditors than companies
with non income-decreasing errors. More importantly, this study extended prior research by
showing that the magnitude, not simply the direction, of a restatement was important in explaining
when a change in auditor was likely to occur.
INTRODUCTION
Events leading to the breakup of Arthur Anderson and Co. included the failure of Enron and
other evidence of financial reporting irregularities. Many of these irregularities involved restatement
of financial statements due to error. During the last several years, numerous articles in the
accounting literature and accounting press have chronicled such restatements. Accompanying these
restatements, some companies have also changed auditors (GAO, 2002; Huron Consulting Group,
2003; Thompson and Larson, 2004; Wallace, 2005).
Journal of Legal, Ethical and Regulatory Issues, Volume 11, Number 2, 2008

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