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Show Results For
- All HBS Web
(3,350)
- People (1)
- News (924)
- Research (2,129)
- Events (7)
- Multimedia (37)
- Faculty Publications (1,074)
- 26 Feb 2013
- First Look
First Look: Feb. 26
advantage of a natural experiment involving two offsetting court rulings, separated by several weeks, that affected the antitakeover force of staggered boards for a subset of Delaware firms. We find evidence consistent with the hypothesis... View Details
Keywords: Sean Silverthorne
- December 2012
- Case
Trouble Brewing for Green Mountain Coffee Roasters
By: Suraj Srinivasan and Michael Norris
In October 2011, noted hedge fund manager David Einhorn of Greenlight Capital delivered a presentation at an investors' conference analyzing the business and accounting quality weaknesses of Green Mountain Coffee Roasters. Until then Green Mountain had exhibited rapid... View Details
Keywords: Accounting Fraud; Accounting Quality; Accounting Red Flags; Accounting Restatements; Accounting Scandal; Accounting Information; Financial Accounting; Financial Analysts; Financial Analysis; Financial Intermediaries; Hedge Funds; Financial Ratios; Financial Statement Analysis; Valuation Methodologies; Earnings Quality; Accounting; Quality; Earnings Management; Valuation; Crime and Corruption; Mergers and Acquisitions; Financial Reporting; Investment Funds; Financial Statements; Food and Beverage Industry
Srinivasan, Suraj, and Michael Norris. "Trouble Brewing for Green Mountain Coffee Roasters." Harvard Business School Case 113-035, December 2012.
- 22 Apr 2014
- First Look
First Look: April 22
control over the use of remittances. In partnership with a Salvadoran bank, we offered U.S.-based migrants from El Salvador bank accounts in their home country into which they could send remittances. We randomly varied migrant control over El Salvador-based savings... View Details
Keywords: Sean Silverthorne
- April 2008
- Case
Chunghwa Telecom Co., Ltd. (A)
By: Paul W. Marshall, Michael Shih-ta Chen and Keith Chi-ho Wong
In late November 2000, Chunghwa Telecom Co., Ltd., the once-monopolized telecom operator owned by the Taiwanese government, was on its way to privatization. Mr. C.K. Mao, Chairman of the company, who headed the job only three months earlier, after its prior chairman... View Details
Keywords: Entrepreneurship; Governing Rules, Regulations, and Reforms; Employee Relationship Management; Leading Change; Organizational Change and Adaptation; Privatization; Competition; Telecommunications Industry; Taiwan
Marshall, Paul W., Michael Shih-ta Chen, and Keith Chi-ho Wong. "Chunghwa Telecom Co., Ltd. (A)." Harvard Business School Case 808-137, April 2008.
- Article
Reflections: Toward a Normative and Actionable Theory of Planned Organizational Change and Development
By: Michael Beer
A normative and actionable theory of planned organizational change and development is proposed based on fifty years of engagement by the author as a scholar-consultant. Five principles are central features of the theory and practice proposed: 1) Organizations are... View Details
Keywords: Consultant; Process; Systems; Silence; Organizational Change and Adaptation; Leadership; Learning; Management Teams
Beer, Michael. "Reflections: Toward a Normative and Actionable Theory of Planned Organizational Change and Development." Journal of Change Management 21, no. 1 (2021).
- June 2017
- Article
The Surprising Effectiveness of Hostile Mediators
By: Ting Zhang, Francesca Gino and Michael I. Norton
Contrary to the tendency of mediators to defuse negative emotions between adversaries by treating them kindly, we demonstrate the surprising effectiveness of hostile mediators in resolving conflict. Hostile mediators generate greater willingness to reach agreements... View Details
Keywords: Mediation; Conflict; Negotiation; Hostility; Negotiation Style; Emotions; Conflict and Resolution
Zhang, Ting, Francesca Gino, and Michael I. Norton. "The Surprising Effectiveness of Hostile Mediators." Management Science 63, no. 6 (June 2017): 1972–1992.
- 21 Feb 2017
- News
Why Some Apps Use Fake Progress Bars
- May–June 2025
- Article
Branch-and-Price for Prescriptive Contagion Analytics
By: Alexandre Jacquillat, Michael Lingzhi Li, Martin Ramé and Kai Wang
Contagion models are ubiquitous in epidemiology, social sciences, engineering, and management. This paper formulates a prescriptive contagion analytics model where a decision maker allocates shared resources across multiple segments of a population, each governed by... View Details
Jacquillat, Alexandre, Michael Lingzhi Li, Martin Ramé, and Kai Wang. "Branch-and-Price for Prescriptive Contagion Analytics." Operations Research 73, no. 3 (May–June 2025): 1558–1580.
- January–February 2023
- Article
Forecasting COVID-19 and Analyzing the Effect of Government Interventions
By: Michael Lingzhi Li, Hamza Tazi Bouardi, Omar Skali Lami, Thomas Trikalinos, Nikolaos Trichakis and Dimitris Bertsimas
We developed DELPHI, a novel epidemiological model for predicting detected cases and deaths in the prevaccination era of the COVID-19 pandemic. The model allows for underdetection of infections and effects of government interventions. We have applied DELPHI across more... View Details
Keywords: COVID-19 Pandemic; Epidemics; Analytics and Data Science; Health Pandemics; AI and Machine Learning; Forecasting and Prediction
Li, Michael Lingzhi, Hamza Tazi Bouardi, Omar Skali Lami, Thomas Trikalinos, Nikolaos Trichakis, and Dimitris Bertsimas. "Forecasting COVID-19 and Analyzing the Effect of Government Interventions." Operations Research 71, no. 1 (January–February 2023): 184–201.
- October 1976 (Revised May 1985)
- Case
Raytheon Co.: Diversification
Centers on the question of whether Raytheon should enter the electronic component distribution industry in the context of its broad diversification approach and acquisition criteria. This industry represents a vertical integration area for Raytheon, so the analytical... View Details
Keywords: Acquisition; Policy; Market Entry and Exit; Distribution; Diversification; Vertical Integration; Distribution Industry; Electronics Industry
Porter, Michael E. "Raytheon Co.: Diversification." Harvard Business School Case 377-055, October 1976. (Revised May 1985.)
- September 2015
- Teaching Note
Sustainability at IKEA Group
Can IKEA Group double its global sales within a decade by expending in emerging markets while implementing on its ambitious sustainability strategy that included focusing on raw material sourcing and suppliers’ production processes? The case focuses on IKEA Group’s... View Details
- 01 Dec 2022
- News
Future Vision
Illustration by PJ Loughron Illustration by PJ Loughron How has your experience as Dean of the School differed from your experience as a member of the faculty? Being on campus and engaging with faculty,... View Details
- March 2012 (Revised August 2014)
- Case
Fiji versus FIJI: Negotiating Over Water
By: Francesca Gino, Michael W. Toffel and Stephanie van Sice
This case examines negotiations between a company and government over natural resources. The Fijian government proposed a substantial increase in its water extraction tax that would only apply to large extractors, and thus to FIJI Water and not to its competitors. FIJI... View Details
Keywords: Negotiation; Business and Government Relations; Cross-Cultural and Cross-Border Issues; Distribution Industry; Fiji
Gino, Francesca, Michael W. Toffel, and Stephanie van Sice. "Fiji versus FIJI: Negotiating Over Water." Harvard Business School Case 912-030, March 2012. (Revised August 2014.)
- Article
Does 'Liking' Lead to Loving? The Impact of Joining a Brand's Social Network on Marketing Outcomes
Does “liking” a brand on Facebook cause a person to view it more favorably? Or is “liking” simply a symptom of being fond of a brand? We disentangle these possibilities and find evidence for the latter: brand attitudes and purchasing are predicted by consumers’... View Details
Keywords: Brands; Marketing Effectiveness; Brand Evaluation; Peer Influence; Brands and Branding; Social and Collaborative Networks; Social Media
John, Leslie K., Oliver Emrich, Sunil Gupta, and Michael I. Norton. "Does 'Liking' Lead to Loving? The Impact of Joining a Brand's Social Network on Marketing Outcomes." Journal of Marketing Research (JMR) 54, no. 1 (February 2017): 144–155.
- 13 Oct 2010
- First Look
First Look: October 13, 2010
to each strategy. By "inviting in the lions" to critique your idea—and being prepared for them—you'll capture busy people's attention, help them grasp your proposal's value, and secure their commitment to implementing the... View Details
Keywords: Sean Silverthorne
- 18 Mar 2008
- First Look
First Look: March 18, 2008
Working PapersWhere Does It Go? Spending by the Financially Constrained Authors:Shawn A. Cole, John Thompson, and Peter Tufano Abstract In this paper, we analyze the spending decisions of over 1.5 million Americans who vary in their... View Details
Keywords: Martha Lagace
- June 2024 (Revised February 2025)
- Case
Accounting for Loans at SoFi Technologies
By: Joseph Pacelli and Michael Norris
At the release of its first quarter earnings report on May 1, 2023, digital bank SoFi beat its earnings guidance by 25%. On May 2, Wedbush Securities analyst David Chiaverini issued a report downgrading the stock. A second downgrade followed from Chiaverini on May 15.... View Details
Keywords: Accounting; Banks and Banking; Financing and Loans; Valuation; Stocks; Banking Industry; United States
Pacelli, Joseph, and Michael Norris. "Accounting for Loans at SoFi Technologies." Harvard Business School Case 124-057, June 2024. (Revised February 2025.)
- July 2023
- Supplement
Reimagining Enel: Enabling Sustainable Progress (A)
By: Michael Tushman and Kerry Herman
This case describes the transformation of Enel from a traditional “brown” or fossil fuel energy firm to a sustainable and green firm focused on renewables, and finally to an energy supplier and integrated energy services firm. It describes a set of capabilities... View Details
Keywords: Organizational Change and Adaptation; Innovation and Invention; Transformation; Green Technology; Renewable Energy; Energy Industry
Tushman, Michael, and Kerry Herman. "Reimagining Enel: Enabling Sustainable Progress (A)." Harvard Business School Multimedia/Video Supplement 423-724, July 2023.
- March 2016 (Revised January 2020)
- Teaching Note
Behavioural Insights Team (A) and (B)
By: Michael Luca and Patrick Rooney
The Behavioural Insights Team case introduces students to the concept of choice architecture and the value of experimental methods (sometimes called A/B testing) within organizational contexts. The exercise provides an opportunity for students to apply these principles... View Details