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Working Paper
PEAD.txt: Post-Earnings-Announcement Drift Using Text
We construct a new numerical measure of earnings announcement surprises, standardized unexpected earnings call text (SUE.txt), that does not explicitly incorporate the reported earnings value. SUE.txt generates a text-based post-earnings announcement drift (PEAD.txt) larger than the classic PEAD and can be used to create a profitable trading strategy. Leveraging the prediction model underlying SUE.txt, we propose new tools to study the news content of text: paragraph-level SUE.txt and paragraph classification scheme based on the business curriculum. With these tools, we document many ...
Journal Article
The new risk management: the good, the bad, and the ugly
In a 1997 Review article, the authors described the good, the bad, and the ugly features of what they called the new risk management, which is the use of financial derivatives to hedge risk in firms. Since the article was first published, the ?new? risk management has become commonplace and indeed played a big role in the financial crisis. As a result, the original article is more relevant today than when it was first published. This updated version of the article contains the same examples and critical analysis as in the original article but includes an updated description of the accounting ...