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Filzen, Joshua James, 1981- 2011-09-01T17:49:23Z 2011-09-01T17:49:23Z 2011-06 https://hdl.handle.net/1794/11536 xiv, 95 p. I examine whether recently required Risk Factor update disclosures in quarterly reports provide investors with timely information regarding potential future negative outcomes. Specifically, I examine whether Risk Factor updates in 10-Q filings are associated with negative abnormal returns at the time the updates are disclosed and whether quarterly updates are followed by negative earnings shocks. I find that firms presenting updates to their Risk Factor disclosures have lower abnormal returns around the filing date of the 10-Q relative to firms without updates, although I find little evidence to suggest that the strength of this relationship is positively associated with the level of information asymmetry between managers and investors. Using analyst forecasts and a cross-sectional model to forecast earnings as measures of expected earnings prior to the release of Risk Factor updates, I find that firms with updates to their Risk Factors section have lower future unexpected earnings. I also find that firms with Risk Factor updates are more likely to experience future extreme negative earnings forecast errors. These findings suggest that the recent disclosure requirement mandated by the SEC was successful in generating timely disclosure of bad news. However, I also find some evidence that firms with updates to their Risk Factors section have stronger future positive performance shocks relative to firms without Risk Factor Updates, consistent with firms that disclose Risk Factor updates also having greater upside potential. Committee in charge: Dr. Steven Matsunaga, Chairperson; Dr. Kyle Peterson, Member; Dr. Angela Davis, Member; Dr. Trudy Ann Cameron, Outside Member en_US University of Oregon University of Oregon theses, Dept. of Accounting, Ph. D., 2011; Accounting Business Disclosure Regulation Risk factors The Information Content of Risk Factor Disclosures in Quarterly Reports Thesisopen.access