Garven (2009) examines whether audit committees characteristics are related to the
likelihood of small positive earnings and negative abnormal discretionary expenses,
both of which are used to identify firms engaging in real earnings management. Based
on a sample of 148 firm-year observations with small positive earnings and negative
abnormal discretionary expense for years 2005-2007, she documents marginally
significant evidence that firms whose audit committee members hold more outside
directorships are more likely to engage in real earnings management. Compared to
Garven’s (2009) study, we use different measures of real earnings management and
more recent data of firms with small positive earnings.
In summary, extant studies suggest that audit committees’ multiple characteristics
may affect the effectiveness of audit committees in the oversight of financial reporting
process. However, there is limited research into the relation between audit committee
characteristics and real earnings management, which is likely to be more salient in the
post-SOX period. Thus, it is warranted to conduct more research on this topic.
Hypotheses
As an operating committee of the board of directors, the audit committee is in charge of
the oversight of financial report and disclosure. When audit committee members find
abnormal changes in revenue and expense items on the financial statements and
budgets, they should discuss these issues and review related business operations with
management. This aspect of the duties has been strengthened by SOX, which requires
audit committees to expand their understanding of the business beyond the core
competencies of accounting. Since audit committees’ duties involve the oversight of
real activities, there are expectations on audit committee members to constrain real
earnings management.
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