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Show Results For
- All HBS Web
(2,129)
- People (1)
- News (909)
- Research (987)
- Events (9)
- Multimedia (35)
- Faculty Publications (570)
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- May 2010
- Article
Aggregate Market Reaction to Earnings Announcements
By: William Cready and Umit G Gurun
This analysis identifies a distinct immediate announcement period negative relation between earnings announcement surprises and aggregate market returns. Such a relation implies that market participants use earnings information in forming expectations about expected... View Details
Cready, William, and Umit G Gurun. "Aggregate Market Reaction to Earnings Announcements." Journal of Accounting Research 48, no. 2 (May 2010): 289–334.
- July 2007
- Article
Earnings Announcement Premia and Limits to Arbitrage
By: Daniel Cohen, Aiyesha Dey, Thomas Lys and Shyam Sunder
We examine the factors underlying the presence of earnings announcement premia. We find that the premia persist beyond the sample period examined in prior studies (ending in 1988), although they decline in magnitude after 1988. Further, premia are lower on the expected... View Details
Cohen, Daniel, Aiyesha Dey, Thomas Lys, and Shyam Sunder. "Earnings Announcement Premia and Limits to Arbitrage." Journal of Accounting & Economics 43, nos. 2-3 (July 2007): 153–180.
- October 1984
- Case
NIKE (E1): The Announcement
Details changes in the senior management roster at Nike, focusing on the appointment of Robert Woodell as the company's new president. View Details
Keywords: Management Succession; Management Teams; Apparel and Accessories Industry; Sports Industry
Christensen, C. Roland. "NIKE (E1): The Announcement." Harvard Business School Case 385-034, October 1984.
- September 2002 (Revised March 2003)
- Technical Note
Technical Note on Equity-Linked Consideration, Part 2: Announcement Effects
The announcement of merger or acquisition conveys new information to the capital markets. Shareholders and portfolio managers assess the news and trade on the basis of their new appraisals of value. Thus, from the actual Pstks of the two companies one can infer from... View Details
Baldwin, Carliss Y. "Technical Note on Equity-Linked Consideration, Part 2: Announcement Effects." Harvard Business School Technical Note 903-028, September 2002. (Revised March 2003.)
- August 2016
- Supplement
CEO Succession at Cisco (B): Announcement Strategy
By: Boris Groysberg, J. Yo-Jud Cheng and Annelena Lobb
Supplements the (A) case (417-031).
This case supplement describes Cisco’s communications strategy around the CEO announcement, which focused on controlling the narrative and avoiding leaks. The strategy included both internal and external processes aimed at... View Details
Groysberg, Boris, J. Yo-Jud Cheng, and Annelena Lobb. "CEO Succession at Cisco (B): Announcement Strategy." Harvard Business School Supplement 417-032, August 2016.
- January 2019
- Supplement
Evernote (B): Announcing a Pricing Plan Change
By: Robert J. Dolan
Dolan, Robert J. "Evernote (B): Announcing a Pricing Plan Change." Harvard Business School Supplement 519-036, January 2019.
- 09 Oct 2017
- Research & Ideas
Fearing Fox News, Democratic-leaning Companies Delayed Negative Announcements
which were more likely to be targeted by Fox News, and firms whose public image had more impact on their stock prices, the researchers determined that the Democratic-leaning firms located in areas where FNC was available did seem to delay View Details
- March 2007
- Article
Gender Effects and Stock Market Reactions to the Announcement of Top Executive Appointments
This study uses Kanter's token status theory to link announcements of top executives to shareholder reactions, highlighting possible gender effects. Using a sample of top executive announcements from 1990 to 2000, our results show that investor reactions to the... View Details
- November 1980 (Revised January 1981)
- Case
International Business Machines Corp. (C): The 4300 Announcement
Schubert, Lynda A. "International Business Machines Corp. (C): The 4300 Announcement." Harvard Business School Case 581-053, November 1980. (Revised January 1981.)
- March 1989
- Article
Cheap Talk and the Fed: A Theory of Imprecise Policy Announcements
Stein, Jeremy. "Cheap Talk and the Fed: A Theory of Imprecise Policy Announcements." American Economic Review 79, no. 1 (March 1989): 32–42.
- 2005
- Working Paper
Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements
By: Malcolm Baker, Lubomir Litov, Jessica Wachter and Jeffrey Wurgler
We consider measures of stock-picking skill of mutual fund managers based on the earnings announcement returns of the stocks that they hold and trade. Relative to standard approaches, this approach focuses on an especially informative subset of the returns data,... View Details
Keywords: Stocks; Asset Management; Business Earnings; Forecasting and Prediction; Competency and Skills
Baker, Malcolm, Lubomir Litov, Jessica Wachter, and Jeffrey Wurgler. "Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements." NBER Working Paper Series, No. w10685, February 2005. (First Draft in 2004.)
- Article
Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements
By: Malcolm Baker, Lubomir Litov, Jessica Wachter and Jeffrey Wurgler
We consider measures of stock-picking skill of mutual fund managers based on the earnings announcement returns of the stocks that they hold and trade. Relative to standard approaches, this approach focuses on an especially informative subset of the returns data,... View Details
Baker, Malcolm, Lubomir Litov, Jessica Wachter, and Jeffrey Wurgler. "Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements." Journal of Financial and Quantitative Analysis 45, no. 5 (October 2010): 1111 –1131.
- March 2020
- Teaching Note
Evernote: Monetization Strategy & Evernote (B): Announcing a Pricing Plan Change
By: Robert J. Dolan
Teaching Note for HBS Nos. 519-034 and 519-036. View Details
- January 1993
- Article
Complementarity of Prior Accounting Information: The Case of Stock Dividend Announcements
By: R. Banker, S. Das and S. Datar
Banker, R., S. Das, and S. Datar. "Complementarity of Prior Accounting Information: The Case of Stock Dividend Announcements." Accounting Review 68, no. 1 (January 1993): 28–47.
- 2022
- Working Paper
Retail Investors’ Contrarian Behavior Around News, Attention, and the Momentum Effect
By: Cheng (Patrick) Luo, Enrichetta Ravina, Marco Sammon and Luis M. Viceira
Using a large panel of U.S. brokerage accounts trades and positions, we show that a large fraction of retail investors trade as contrarians after large earnings surprises, especially for loser stocks, and that such contrarian trading contributes to post earnings... View Details
Keywords: Retail Investors; Post Earnings Announcement Drift; Price Momentum; Behavioral Finance; Investment; Demographics
Luo, Cheng (Patrick), Enrichetta Ravina, Marco Sammon, and Luis M. Viceira. "Retail Investors’ Contrarian Behavior Around News, Attention, and the Momentum Effect." Working Paper, June 2022.
- 2006
- Other Unpublished Work
Structural Closure and Exposure: Market Reactions to Announcements of Acquisitions and Divestitures
By: Mikolaj Jan Piskorski and Nitin Nohria
Piskorski, Mikolaj Jan, and Nitin Nohria. "Structural Closure and Exposure: Market Reactions to Announcements of Acquisitions and Divestitures." September 2006.
- 2008
- Working Paper
Structural Closure and Exposure: Market Reactions to Announcements of Acquisitions and Divestitures
By: Mikolaj Jan Piskorski and Nitin Nohria
This paper develops an exchange-network perspective on corporate diversification and proposes two measures of corporate scope: structural closure and structural exposure. Structural closure focuses on exchanges of goods and services inside the firm... View Details
- 2023
- Working Paper
Avoiding Idiosyncratic Volatility: Flow Sensitivity to Individual Stock Returns
By: Marco Di Maggio, Francesco Franzoni, Shimon Kogan and Ran Xing
Despite positive and significant earnings announcement premia, we find that institutional investors reduce their exposure to stocks before earnings announcements. A novel result on the sensitivity of flows to individual stock returns provides a potential explanation.... View Details
Keywords: New Trading; Mutual Funds; Fund Flows; Limits To Arbitrage; Financial Constraints; Earnings Announcements; Institutional Investing; Stocks
Di Maggio, Marco, Francesco Franzoni, Shimon Kogan, and Ran Xing. "Avoiding Idiosyncratic Volatility: Flow Sensitivity to Individual Stock Returns." Harvard Business School Working Paper, No. 23-072, March 2023. (Revise and Resubmit to The Journal of Finance.)
- 03 Nov 2020
- Working Paper Summaries
An Executive Order Worth $100 Billion: The Impact of an Immigration Ban’s Announcement on Fortune 500 Firms’ Valuation
- 2020
- Working Paper
An Executive Order Worth $100 Billion: The Impact of an Immigration Ban's Announcement on Fortune 500 Firms' Valuation
By: Dany Bahar, Prithwiraj Choudhury and Britta Glennon
On June 22, 2020, President Trump issued an Executive Order (EO) that suspended new work visas, barring nearly 200,000 foreign workers and their dependents from entering the United States and preventing American companies from hiring skilled immigrants using H-1B or L1... View Details
Keywords: Visa; Foreign Workers; Fortune 500; Immigration; Policy; System Shocks; Business Ventures; Valuation
Bahar, Dany, Prithwiraj Choudhury, and Britta Glennon. "An Executive Order Worth $100 Billion: The Impact of an Immigration Ban's Announcement on Fortune 500 Firms' Valuation." Harvard Business School Working Paper, No. 21-055, October 2020.