Publications
Publications
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- All HBS Web
(3,163)
- Faculty Publications (597)
- January 2019
- Article
Bubbles for Fama
By: Robin Greenwood, Andrei Shleifer and Yang You
We evaluate Eugene Fama's claim that stock prices do not exhibit price bubbles. Based on U.S. industry returns 1926–2014 and international sector returns 1985–2014, we present four findings: (1) Fama is correct in that a sharp price increase of an industry portfolio... View Details
Keywords: Bubble; Market Efficiency; Predictability; Price Bubble; Stocks; Price; Forecasting and Prediction
- January–February 2019
- Article
Corporate Purpose and Financial Performance
By: Claudine Gartenberg, Andrea Prat and George Serafeim
We construct a measure of corporate purpose within a sample of U.S. companies based on approximately 500,000 survey responses of worker perceptions about their employers. We find that this measure of purpose is not related to financial performance. However, high... View Details
- December 2018 (Revised August 2019)
- Case
Super Bowl Storytelling
By: Shelle Santana and Jill Avery
The one day a year when consumers not only tolerate but actually eagerly anticipate ads is during the NFL's Super Bowl. In sharp contrast to their behavior on the other 364 days of the year, consumers watch an average of 89 commercials per Super Bowl game for an... View Details
Keywords: Television Advertising; Entertainment; Brand Management; Marketing; Marketing Strategy; Marketing Communications; Advertising; Television Entertainment; Brands and Branding; Media; Cost vs Benefits; Advertising Industry; Media and Broadcasting Industry; Sports Industry; United States; North America
- November 2018 (Revised August 2020)
- Case
The Reinvention of Kodak
By: Ryan Raffaelli and Christine Snively
The Eastman Kodak Company (Kodak) was a name familiar to most Americans. The company had dominated the film and photography industry through most of the 20th Century and was known for making affordable cameras (and the “Kodak Moment”) and supplying the movie industry... View Details
- November 2018
- Case
Governance Transition at Anadolu Group
By: Paul M. Healy and Esel Y. Cekin
Kamil Yazici and Izzet Ozilhan founded and built Anadolu Group Holding—a family business that grew into a multi-billion-dollar regional powerhouse. For 57 years they were equal partners in running the company. They then handed over a leadership role to a next... View Details
Keywords: Family-managed Business; Professionally-run Company; Second-generation; Third-generation; Governance; Governance Changes; Succession Planning; Corporate Culture; Shareholders; Board Of Directors; Long-term Sustainability; Conglomerate; Family Business; Corporate Governance; Change Management; Management Succession; Leadership; Transition; Organizational Structure; Consumer Products Industry; Turkey; Central Asia; Middle East
- November 2018 (Revised February 2019)
- Case
Israel at 70: Is it Possible to (re)Brand a Country?
By: Elie Ofek and Sarah Gulick
In the spring of 2018, Israel was set to celebrate its 70th anniversary. While there was much to rejoice in reaching this milestone, the country’s brand image internationally was far from ideal. Past efforts to impact perceptions of Israel, spearheaded by the Ministry... View Details
- October 2018
- Case
P-Will at DISCO
By: Ethan Bernstein, Naoko Jinjo and Yuna Sakuma
From the outside, DISCO—a Japan-based manufacturer of precision tools for semiconductor production devices—appeared to be a rather ordinary company that had achieved rather extraordinary success: it had simultaneously achieved 70% global market share, had lifted its... View Details
- October 2018
- Case
African Bank Investments Limited (A)
By: Lynn S. Paine and Will Hurwitz
Less than a year after joining the board of African Bank Investments Limited (ABIL), the newest director finds himself in difficult discussions with other directors about removing the struggling company’s CEO. The case is set in South Africa in mid-2014 as shares in... View Details
- October 2018
- Supplement
African Bank Investments Limited (B)
By: Lynn S. Paine and Will Hurwitz
Less than a year after joining the board of African Bank Investments Limited (ABIL), the newest director finds himself in difficult discussions with other directors about removing the struggling company’s CEO. The case is set in South Africa in mid-2014 as shares in... View Details
- Editorial
Why CEOs Should Share Their Long-Term Plans with Investors
By: Christina Rehnberg, George Serafeim and Brian Tomlinson
Rather than requiring less short-term information, the key to combating short-termism is to encourage companies to share more information about their long-term plans. Analysis of companies that have done so suggests that long-term plans are not mere marketing... View Details
- August 2018 (Revised September 2018)
- Case
Predicting Purchasing Behavior at PriceMart (A)
By: Srikant M. Datar and Caitlin N. Bowler
This case follows VP of Marketing, Jill Wehunt, and analyst Mark Morse as they tackle a predictive analytics project to increase sales in the Mom & Baby unit of a nationally recognized retailer, PriceMart. Wehunt observed that in the midst of the chaos that surrounded... View Details
- June 2018
- Case
American Airlines' Value Pricing (Abridged)
By: Alvin J. Silk and Sunil Gupta
This is an abridged version of the 1992 case where American Airlines (AA) launched "Value Pricing" in an attempt to simplify the pricing structure of the airline industry. AA expected that this plan would benefit not only consumers, but also AA and the entire airline... View Details
- April 2018
- Supplement
Celgene
By: Malcolm Baker and Emily R. McComb
In February 2011, Adam Koppel, a Managing Director at Brookside Capital, the public equity arm of Bain Capital, must decide whether to increase or exit the firm’s position in Celgene Corporation. News has emerged that raises potential safety concerns associated with... View Details
- March 2018 (Revised May 2018)
- Case
Celgene
By: Malcolm Baker and Emily McComb
In February 2011, Adam Koppel, a managing director at Brookside Capital, the public equity arm of Bain Capital, must decide whether to increase or exit the firm’s position in Celgene Corporation. News has emerged that raises potential safety concerns associated with... View Details
- March 2018 (Revised May 2018)
- Supplement
Celgene (B)
By: Malcolm Baker and Emily McComb
Supplements the (A) case. View Details
- 2025
- Working Paper
Government-Brokerage Analysts and Market Stabilization: Evidence from China
By: Sheng Cao, Xianjie He, Charles C.Y. Wang and Huifang Yin
We show analysts at government-controlled brokerage firms serve as a market stabilization tool
in China. Using earnings forecasts from 2005–2019, we find government-brokerage analysts
issue relatively more optimistic—yet less accurate and timely—forecasts during... View Details
- March 2018 (Revised March 2018)
- Teaching Note
OpenInvest
By: Boris Vallee and Caitlin Reimers Brumme
Founded by a team of hedge fund and NGO alumni, OpenInvest launched its platform in 2015 to enable retail investors to tailor their portfolio to their personal values in an automated way, for instance by screening out weapon manufacturers stocks or overweighting LGBTQ... View Details
- February 2018 (Revised August 2018)
- Case
OpenInvest
By: Shawn Cole, Boris Vallée and Nicole Tempest Keller
Founded by a team of hedge fund and NGO alumni, OpenInvest launched its platform in 2015 to enable retail investors to tailor their portfolios to their personal values in an automated way, for instance by screening out weapons manufacturers stocks or overweighting... View Details
- February 2018 (Revised October 2024)
- Case
Hikma Pharmaceuticals Governance Journey
By: Lynn Paine, Suraj Srinivasan and Gamze Yucaoglu
The case opens with Said Darwazah, chairman and CEO of Hikma Pharmaceuticals, the multinational generics company, anticipating the company’s 2017 AGM and reflecting on changes made over the previous year to address concerns expressed by proxy advisors and some... View Details
Keywords: Boards Of Directors; Pharmaceuticals; Remuneration; Shareholder Engagement; Corporate Governance; Governing and Advisory Boards; Business and Shareholder Relations; Executive Compensation; Business Growth and Maturation; Emerging Markets; Private Sector; For-Profit Firms; Pharmaceutical Industry; Jordan