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Show Results For
- All HBS Web
(641)
- People (2)
- News (171)
- Research (361)
- Events (2)
- Multimedia (5)
- Faculty Publications (222)
- 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.)
- 01 Dec 2009
- News
The Fab Four
All illustrations by Joe Ciardiello Jeffrey Bussgang (MBA ’95) is collaborating with faculty member Noam Wasserman on a case to be taught in Wasserman’s elective course... View Details
- 31 May 2011
- First Look
First Look: May 31
Abstract Theories of the firm have been dominated by a legacy of ideas from early industrialization that pose zero-sum opposition between capital and labor (or capital and nearly everything else), differentiating the economy from society... View Details
Keywords: Sean Silverthorne
- 2003
- Article
Confirming Management Earnings Forecasts, Earnings Uncertainty, and Stock Returns
By: Michael B. Clement, Richard Frankel and Jeffrey Miller
In this study we examine the association among confirming management forecasts, stock prices, and analyst expectations. Confirming management forecasts are voluntary disclosures by management that corroborate existing market expectations about future earnings. This... View Details
Clement, Michael B., Richard Frankel, and Jeffrey Miller. "Confirming Management Earnings Forecasts, Earnings Uncertainty, and Stock Returns." Journal of Accounting Research 41, no. 4 (2003): 653–679.
- February 2018 (Revised January 2020)
- Case
SoulCycle: The Road Ahead
By: Ashish Nanda, Eric Van den Steen and Jeffrey Boyar
Julie Rice and Elizabeth Cutler founded SoulCycle, an indoor cycling studio chain, in 2006 as more than a health club; they wanted it to become a lifestyle brand that would “empower riders in an immersive fitness experience.” By early 2015, SoulCycle had grown to 38... View Details
Keywords: Fitness; Fitness Industry; Exercise; Cycling; Boutique Fitness; Exit Strategy; Growth; Bicycles; Retail; Pricing; Community; SoulCycle; Vision; Health; Leadership; Strategy; Marketing; Decision Making; Health Industry; United States
Nanda, Ashish, Eric Van den Steen, and Jeffrey Boyar. "SoulCycle: The Road Ahead." Harvard Business School Case 718-499, February 2018. (Revised January 2020.)
- 25 Nov 2008
- First Look
First Look: November 25, 2008
asked to consider whether entry into web services by Amazon, which had established its brand in retail, represented a prudent move by the company. The case provides an opportunity to highlight the benefits... View Details
Keywords: Martha Lagace
- February 2018 (Revised December 2020)
- Case
People Analytics at Teach For America (A)
By: Jeffrey T. Polzer and Julia Kelley
As of mid-2016, national nonprofit Teach For America (TFA) had struggled with three consecutive years of declining application totals, and senior management was re-examining the organization's strategy, including recruitment and selection. A few months earlier, former... View Details
Polzer, Jeffrey T., and Julia Kelley. "People Analytics at Teach For America (A)." Harvard Business School Case 418-013, February 2018. (Revised December 2020.)
- 15 Jan 2019
- First Look
New Research and Ideas, January 15, 2019
their advice because such dismissal threatens advisors’ sense of self-worth, leading them to judge seekers more harshly. Moreover, these effects are compounded by advisor expertise: expert advisors are more likely to punish seekers who... View Details
Keywords: Dina Gerdeman
- 12 Jan 2010
- First Look
First Look: Jan. 12
Working PapersA Reference Point Theory of Mergers and Acquisitions Authors:Malcolm Baker, Xin Pan, and Jeffrey Wurgler Abstract The use of judgmental anchors or reference points in valuing corporations affects several basic aspects of... View Details
Keywords: Martha Lagace
- January 2018
- Case
Scaling Swagbucks (A)
By: Jeffrey F. Rayport and Matthew G. Preble
In early 2014, Chuck Davis (HBS '86) has joined Swagbucks as its first professional CEO to scale a successful and profitable brand promotion and consumer research business. Davis came into the job while serving as a venture partner at TCV, a growth stage VC firm,... View Details
Keywords: Loyalty Management; Scaling; Scale; Entrepreneurship; Human Resources; Employees; Employee Relationship Management; Organizational Change and Adaptation; Organizational Culture; Organizational Design; Leading Change; Growth Management; Religion; Information Technology; Internet and the Web; Transition; Leadership; Web Services Industry; Technology Industry
Rayport, Jeffrey F., and Matthew G. Preble. "Scaling Swagbucks (A)." Harvard Business School Case 818-070, January 2018.
- July 30, 2013
- Article
You Found Your Product-Market Fit. Now What?
Keywords: Sales
Bussgang, Jeffrey J. "You Found Your Product-Market Fit. Now What?" Harvard Business Review (website) (July 30, 2013).
- 28 Oct 2008
- First Look
First Look: October 28, 2008
the online, Chicago-based t-shirt company, was not your typical fashion apparel company. The company, run by Jake Nickell, Jacob DeHart, and Jeffrey Kalmikoff, turned the fashion business on its head View Details
Keywords: Martha Lagace
- April 2017 (Revised May 2022)
- Case
King Digital Entertainment
By: Jeffrey F. Rayport, Davide Sola, Federica Gabrieli and Elena Corsi
Riccardo Zacconi was the co-founder and CEO of King Digital Entertainment, the video game company that had quickly established itself as the world’s leading maker of casual games for mobile devices after the sensational success of its game “Candy Crush Saga.” Zacconi... View Details
Keywords: Entrepreneurship; Information Technology; Growth and Development Strategy; Organizational Structure; Acquisition; Decision Choices and Conditions; Video Game Industry; Europe; Sweden
Rayport, Jeffrey F., Davide Sola, Federica Gabrieli, and Elena Corsi. "King Digital Entertainment." Harvard Business School Case 817-117, April 2017. (Revised May 2022.)
- June 2010
- Article
Leadership Competencies for Implementing Planned Organizational Change
By: Julie Battilana, Mattia Gilmartin, Anne-Claire Pache, Metin Sengul and Jeffrey A. Alexander
This paper bridges the leadership and organizational change literatures by exploring the relationship between managers' leadership competencies (namely, their effectiveness at person-oriented and task-oriented behaviors) and the likelihood that they will emphasize the... View Details
Keywords: Leadership; Competency and Skills; Organizational Change and Adaptation; Planning; Relationships; Business Processes; Projects; Theory; Change; Behavior; Health Industry; United Kingdom
Battilana, Julie, Mattia Gilmartin, Anne-Claire Pache, Metin Sengul, and Jeffrey A. Alexander. "Leadership Competencies for Implementing Planned Organizational Change." Leadership Quarterly 21, no. 3 (June 2010).
- May 2018 (Revised February 2019)
- Case
The Powers That Be (Internet Edition): Google, Apple, Facebook, Amazon, and Microsoft
By: Jeffrey F. Rayport, Julia Kelley and Nathaniel Schwalb
As of early 2018, five U.S. technology companies—Google, Apple, Facebook, Amazon, and Microsoft—were among the largest companies in the world. Similarly, three Chinese technology firms—Baidu, Alibaba, and Tencent, or BAT—had emerged as global players due in part to the... View Details
Keywords: Internet and the Web; Business Ventures; Customers; Analytics and Data Science; Safety; Corporate Strategy; Competitive Strategy; Technology Industry
Rayport, Jeffrey F., Julia Kelley, and Nathaniel Schwalb. "The Powers That Be (Internet Edition): Google, Apple, Facebook, Amazon, and Microsoft." Harvard Business School Case 818-111, May 2018. (Revised February 2019.)
- Article
Achieving Value in Highly Complex Acute Care: Lessons from the Delivery of Extra Corporeal Life Support
By: Michael Nurok, Jonathan Warsh, Erik Dong, Jeffrey Lopez, Mayumi Kharabi and Robert S. Kaplan
We applied a value (outcomes and cost) analysis to extracorporeal life support (ECLS), a relatively rare but very expensive ICU therapy with highly variable outcomes. To address the outcome component of the value approach, we created guidelines for ECLS delivery; to... View Details
Nurok, Michael, Jonathan Warsh, Erik Dong, Jeffrey Lopez, Mayumi Kharabi, and Robert S. Kaplan. "Achieving Value in Highly Complex Acute Care: Lessons from the Delivery of Extra Corporeal Life Support." NEJM Catalyst (October 31, 2019).
- May – June 2011
- Article
Too Many Cooks Spoil the Broth: How High Status Individuals Decrease Group Effectiveness
By: Boris Groysberg, Jeffrey T. Polzer and Hillary Anger Elfenbein
Can groups become effective simply by assembling high status individual performers? Though an affirmative answer may seem straightforward on the surface, this answer becomes more complicated when group members benefit from collaborating on interdependent tasks.... View Details
Keywords: Groups and Teams; Equity; Theory; Human Resources; Integration; Body of Literature; Performance Effectiveness; Status and Position; Experience and Expertise
Groysberg, Boris, Jeffrey T. Polzer, and Hillary Anger Elfenbein. "Too Many Cooks Spoil the Broth: How High Status Individuals Decrease Group Effectiveness." Organization Science 22, no. 3 (May–June 2011): 722–737.
- November 2022
- Course Overview Note
Launching Technology Ventures (LTV)
Bussgang, Jeffrey J. "Launching Technology Ventures (LTV)." Harvard Business School Course Overview Note 823-058, November 2022.
- September 10, 2015
- Article
How Israeli Startups Can Scale
Keywords: Entrepreneurship
Bussgang, Jeffrey J. "How Israeli Startups Can Scale." Harvard Business Review (website) (September 10, 2015).
- February 2022 (Revised February 2023)
- Case
TikTok in 2020: Super App or Supernova? (Abridged)
By: Jeffrey F. Rayport, Dan Maher and Dan O'Brien
TikTok’s parent company, ByteDance, was launched in 2012 around a simple idea—helping users entertain themselves on their smartphones while on the Beijing Subway. In less than a decade, it had become one of the world’s most valuable private companies, with investors... View Details
Keywords: Digital Platform; Artificial Intelligence; AI; Mobile App; Mobile App Industry; Mobile and Wireless Technology; Market Entry and Exit; Brands and Branding; Growth and Development Strategy; China
Rayport, Jeffrey F., Dan Maher, and Dan O'Brien. "TikTok in 2020: Super App or Supernova? (Abridged)." Harvard Business School Case 822-112, February 2022. (Revised February 2023.)