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All HBS Web
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- People (1)
- News (95)
- Research (182)
- Events (1)
- Multimedia (4)
- Faculty Publications (99)
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- 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...
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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.
- September 2010 (Revised March 2012)
- Case
AQR's Momentum Funds (A)
By: Daniel Baird Bergstresser, Lauren H. Cohen, Randolph B. Cohen and Christopher J. Malloy
AQR is a hedge fund based in Greenwich, Connecticut, that is considering offering a wholly new line of product to retail investors, namely the ability to invest in the price phenomenon known as momentum. There is a large body of empirical evidence supporting momentum...
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Keywords:
Financial Strategy;
Investment Funds;
Investment Portfolio;
Governing Rules, Regulations, and Reforms;
Product Development;
Financial Services Industry;
Greenwich
Bergstresser, Daniel Baird, Lauren H. Cohen, Randolph B. Cohen, and Christopher J. Malloy. "AQR's Momentum Funds (A)." Harvard Business School Case 211-025, September 2010. (Revised March 2012.)
- April 2011 (Revised May 2011)
- Supplement
AQR's Momentum Funds (B)
By: Daniel Baird Bergstresser, Lauren H. Cohen, Randolph B. Cohen and Christopher J. Malloy
This is a (B) case for AQR's Momentum Funds. It follows the first year of performance of the funds after launching, and gives students a critical inflection point for analyzing the nascent stages of a new product launch and the potential path dependence of the product...
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Keywords:
Change;
Decision Choices and Conditions;
Investment Funds;
Product Launch;
Product;
Performance;
Perspective;
Strategy
Bergstresser, Daniel Baird, Lauren H. Cohen, Randolph B. Cohen, and Christopher J. Malloy. "AQR's Momentum Funds (B)." Harvard Business School Supplement 211-075, April 2011. (Revised May 2011.)
- February 2015
- Supplement
The Affordable Care Act (F): Regaining Momentum
By: Joseph L. Bower and Michael Norris
In the fall of 2009, President Obama makes a speech to a joint session of Congress in an attempt to regain lost momentum on health reform and get a bill through Congress.
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Keywords:
Health Care;
Health Care Policy;
Government And Politics;
Health;
Policy;
Health Industry;
United States
Bower, Joseph L., and Michael Norris. "The Affordable Care Act (F): Regaining Momentum." Harvard Business School Supplement 315-037, February 2015.
- March 2012 (Revised February 2013)
- Teaching Note
AQR's Momentum Funds (TN) (A) and (B)
By: Daniel Bergstresser, Lauren Cohen, Christopher Malloy, Randolph B. Cohen and Timothy Gray
- Article
Meaning and Momentum in the Integrated Reporting Movement
By: Robert G. Eccles, Michael P. Krzus and Sydney Ribot
In this summary of their recently published book, the authors provide an update of the state of the integrated reporting (or ) movement, whose aim is to persuade companies to provide fuller disclosure of material nonfinancial (or "ESG") factors and how they are...
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Eccles, Robert G., Michael P. Krzus, and Sydney Ribot. "Meaning and Momentum in the Integrated Reporting Movement." Journal of Applied Corporate Finance 27, no. 2 (Spring 2015): 8–17.
- December 2022
- Article
Entry Points: Gaining Momentum in Early-Stage Cross-Boundary Collaborations
By: Eva Flavia Martínez Orbegozo, Jorrit de Jong, Hannah Riley Bowles, Amy Edmondson, Anahide Nahhal and Lisa Cox
To address complex social challenges, it is widely recognized that leaders from public, for-profit, and civic organizations should join forces. Yet, well-intended collaborators often struggle to achieve alignment and fail to gain traction in their joint efforts. This...
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Orbegozo, Eva Flavia Martínez, Jorrit de Jong, Hannah Riley Bowles, Amy Edmondson, Anahide Nahhal, and Lisa Cox. "Entry Points: Gaining Momentum in Early-Stage Cross-Boundary Collaborations." Journal of Applied Behavioral Science 58, no. 4 (December 2022): 595–645.
- Article
A Unified Theory of Underreaction, Momentum Trading and Overreaction in Asset Markets
Hong, Harrison, and Jeremy Stein. "A Unified Theory of Underreaction, Momentum Trading and Overreaction in Asset Markets." Journal of Finance 54, no. 6 (December 1999).
- February 2000
- Article
Bad News Travels Slowly: Size, Analyst Coverage and the Profitability of Momentum Strategies
Hong, Harrison, Terence Lim, and Jeremy Stein. "Bad News Travels Slowly: Size, Analyst Coverage and the Profitability of Momentum Strategies." Journal of Finance 55, no. 1 (February 2000).
- 02 Aug 2020
- What Do You Think?
Is the 'Experimentation Organization' Becoming the Competitive Gold Standard?
Korrawin SUMMING UP Will Digital Experimentation Take Hold in Industies Outside High Tech? The several responses to this month’s column generally were favorable to the notion that experimentation is gaining momentum as an everyday habit...
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- November 2023
- Case
UST's Adoption of Open Talent
By: Christopher Stanton and Kristen Senz
This case details the 2020 launch and subsequent scaling of UST’s Open Talent initiative, a program to integrate freelancers from digital platforms into its workforce. The case highlights how the shifting post-pandemic world, including layoffs, wage inflation, and...
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Keywords:
Talent and Talent Management;
Employment;
Working Conditions;
Organizational Change and Adaptation
Stanton, Christopher, and Kristen Senz. "UST's Adoption of Open Talent." Harvard Business School Case 824-117, November 2023.
- March 1975 (Revised April 1985)
- Case
L'eggs Products, Inc. (Condensed)
Describes designing an advertising or promotion program to sustain the momentum on L'eggs successful market entry.
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Star, Steven H. "L'eggs Products, Inc. (Condensed)." Harvard Business School Case 575-090, March 1975. (Revised April 1985.)
- July 1997 (Revised August 1997)
- Case
numeric investors l.p.
By: Andre F. Perold and Brian J. Tierney
Numeric Investors manages equity portfolios with the use of a momentum model and a value model. The momentum model is based on earnings surprise and analysts' revisions of their earnings estimates. The firm offers long-short as well as long-only strategies, and its...
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Keywords:
Asset Management;
Cost;
Equity;
Financial Strategy;
Investment;
Investment Portfolio;
Management;
Product Development;
Performance Efficiency;
Business Strategy
Perold, Andre F., and Brian J. Tierney. "numeric investors l.p." Harvard Business School Case 298-012, July 1997. (Revised August 1997.)
- 2020
- Article
Public Sentiment and the Price of Corporate Sustainability
By: George Serafeim
Combining corporate sustainability performance scores based on environmental, social, and governance (ESG) data with big data measuring public sentiment about a company’s sustainability performance, I find that the valuation premium paid for companies with strong...
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Keywords:
Sustainability;
ESG;
ESG (Environmental, Social, Governance) Performance;
Investment Management;
Investment Strategy;
Big Data;
Machine Learning;
Environment;
Environmental Sustainability;
Corporate Governance;
Performance;
Asset Pricing;
Investment;
Management;
Strategy;
Human Capital;
Public Opinion;
Value;
Analytics and Data Science
Serafeim, George. "Public Sentiment and the Price of Corporate Sustainability." Financial Analysts Journal 76, no. 2 (2020): 26–46.
- March 2022 (Revised January 2024)
- Case
Moksha Data: Delivering Insights for Public Service
By: Ashish Nanda and Zack Kurtovich
Moksha Data, a boutique consulting firm specializing in public sector work, started in January 2017 with a handshake between friends and a shared commitment to the principles of egalitarianism, ownership, and collaboration. The Houston-based firm had built momentum...
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Keywords:
Professional Service Firms;
Professional Service Firm;
Strategy Formulation;
Data;
Data As A Service;
Government Contracting;
Consulting;
Consulting Firms;
Consulting Services;
Entrepreneurship;
Public Sector;
Analytics and Data Science;
Growth and Development;
Strategy;
Consulting Industry;
Texas
Nanda, Ashish, and Zack Kurtovich. "Moksha Data: Delivering Insights for Public Service." Harvard Business School Case 722-397, March 2022. (Revised January 2024.)
- March 2000 (Revised May 2001)
- Case
Silicon Valley Bank
By: G. Felda Hardymon and Ann Leamon
Silicon Valley Bank, a $4 billion institution in California, has made its reputation by working with venture capitalists in backing start-up companies. In 1999, it is forced to compete with nonbank financial institutions that can give money on better terms and in a...
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Keywords:
Banks and Banking;
Business Startups;
Competitive Strategy;
Financial Institutions;
Financing and Loans;
Financial Markets;
Venture Capital;
Private Equity;
Entrepreneurship;
Banking Industry;
Financial Services Industry;
California
Hardymon, G. Felda, and Ann Leamon. "Silicon Valley Bank." Harvard Business School Case 800-332, March 2000. (Revised May 2001.)
- Article
Cash-for-Information Whistleblower Programs: Effects on Whistleblowing and Consequences for Whistleblowers
By: Aiyesha Dey, Jonas Heese and Gerardo Pérez Cavazos
Cash-for-information whistleblower programs have gained momentum as a regulatory tool to enforce corporate misconduct. Yet, little is known about how financial incentives affect whistleblowers’ decisions to report potential misconduct to authorities. Similarly, there...
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Keywords:
Corporate Misconduct;
Whistleblowers;
Financial Incentives;
Ethics;
Governance Compliance;
Lawsuits and Litigation
Dey, Aiyesha, Jonas Heese, and Gerardo Pérez Cavazos. "Cash-for-Information Whistleblower Programs: Effects on Whistleblowing and Consequences for Whistleblowers." Harvard Law School Forum on Corporate Governance (June 10, 2021).
- 2023
- Working Paper
Contagious Anomalies
By: Angela Ma and Miles Zheng
This paper shows that anomaly strategy contagion contributes a key component of risks induced by arbitrageur trading. We present three main findings: (1) Contagion deteriorates the market liquidity of the contaminated strategy. (2) Increased contagion risk predicts...
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Ma, Angela, and Miles Zheng. "Contagious Anomalies." Working Paper, 2023.
- June 2005 (Revised March 2006)
- Case
E Ink in 2005
By: David B. Yoffie and Barbara Mack
Explores the challenges of commercializing a bleeding-edge technology. After seven years, E Ink has spent more than $100 million to commercialize electronic ink. With business momentum picking up, but resources running out, the case examines the key trade-offs in...
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Keywords:
Technological Innovation;
Commercialization;
Mathematical Methods;
Consumer Products Industry;
Technology Industry
Yoffie, David B., and Barbara Mack. "E Ink in 2005." Harvard Business School Case 705-506, June 2005. (Revised March 2006.)