Publications

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September 1994 (Revised January 2004)
Case

Describes Salomon Brothers' recovery from the August 1991 Treasury auction scandal. Details the impact of the firm's disclosure of bidding improprieties and describes how the new management team, led by Warren Buffett and Deryck Maughan, guided the company through the... View Details

Keywords: Crisis Management; Ethics; Organizational Culture; Law; Business or Company Management

29 Apr 2022
News

The New Meaning Of CTO: Why Leaders Should Strive To Be The Chief Trust Officer

December 1, 2021
Article

Do You Know How Your Teams Get Work Done?

By: Rohan Narayana Murty, Rajath B. Das, Scott Duke Kominers, Arjun Narayan, Suraj Srinivasan, Tarun Khanna and Kartik Hosanagar

In a research study at four Fortune 500 companies, when managers were asked about their teams’ work, on average they either did not know or could not remember 60% of the work their teams do. This is a major problem because it can lead to unrealistic digital... View Details

Keywords: Leading Teams; Work Recall Gap; Machine Learning; Algorithms; Groups and Teams; Management; Technological Innovation

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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

May 2025
Supplement

On (B): The Cyclon Spins On

By: Ramon Casadesus-Masanell, Karolin Frankenberger, Sascha Mader and Karen Elterman

A follow-up to the On case (723-430), this short case explores how the performance athletic shoe company On expanded its Cyclon subscription and recycling program through 2024, adding two new shoe models to the subscription and a one-time-purchase recyclable T-shirt. View Details

October 1999 (Revised July 2002)
Case

WingspanBank.com (A)

By: Sandra J. Sucher and Daniel Galvin

The case describes the new product development process for WingspanBank.com, an Internet-only financial services "infomediary" created by a team from Bank One's First USA division. The creation of the bank is described from concept development to prelaunch decision... View Details

Keywords: Business Startups; Decision Making; Information Management; Management Practices and Processes; Managerial Roles; Product Development; Performance Consistency; Competitive Advantage; Internet; Financial Services Industry; Web Services Industry; United States

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Forthcoming
Article

Slowly Varying Regression Under Sparsity

By: Dimitris Bertsimas, Vassilis Digalakis Jr, Michael Lingzhi Li and Omar Skali Lami

We consider the problem of parameter estimation in slowly varying regression models with sparsity constraints. We formulate the problem as a mixed integer optimization problem and demonstrate that it can be reformulated exactly as a binary convex optimization problem... View Details

Keywords: Mathematical Methods; Analytics and Data Science

January 2011
Case

Serious Materials

By: Thomas J. Steenburgh and Elizabeth A. Kind

Serious Materials is a start up who is moving into clean tech markets. The company's first product, QuietRock, originated the sound proofing drywall category and created a steady stream of revenue. It was now considering how to expand its product line to compete in the... View Details

Keywords: Business Startups; Entrepreneurship; Brands and Branding; Marketing Strategy; Product Launch; Product Positioning; Market Entry and Exit; Green Technology Industry

23 Feb 2021
Research & Ideas

COVID-19 Shines New Light on Working Conditions in Supply Chains

interesting to see in the classroom. We were talking about fast fashion from a supply chain perspective in my Technology and Operations Management course. And in the middle of... View Details

Keywords: by Danielle Kost; Apparel & Accessories

19 Feb 2019
News

Why the Trolley Dilemma Is a Terrible Model for Trying to Make Self-Driving Cars Safer

17 Feb 2021
News

Why Companies Are Adopting ‘Work from Anywhere’ Policies

February 2024 (Revised May 2024)
Case

Johnson Security Bureau: Building Multigenerational Success

By: Henry McGee, Annelena Lobb and David Muoser

Jessica Johnson-Cope, CEO of Johnson Security Bureau (JSB), pondered options for scaling the firm. JSB was the oldest Black-owned security firm in New York, and among the oldest Black-owned security firms in the United States. It provided mostly unarmed security guards... View Details

Keywords: Business Growth and Maturation; Gender; Race; Cybersecurity; Growth and Development Strategy; Competitive Strategy; Expansion; New York (state, US)

May 2012 (Revised August 2014)
Case

McKesson

By: Regina E. Herzlinger and Natalie Kindred

McKesson, a large, diversified drug distribution and health care IT company, is considering development of new business offerings to help private practice physicians remain independent. The company, with $122 billion in 2010 revenues, just made its first foray into... View Details

Keywords: Health Care Industry; Health Care Policy; Organizational Transformations; Health Services; Health Care and Treatment; Business Model; Service Operations; Change Management; Corporate Strategy; Information Technology; Policy; Pharmaceutical Industry; Health Industry; United States

20 Feb 2020
News

Productive Innovation: Building a Culture of Experimentation

July 2022
Case

Operation Overlord

By: Boris Groysberg, Greg Goullet, Katherine Connolly Baden and Sarah L. Abbott

On June 6, 1944, nearly 5,000 ships, 11,000 planes, and 160,000 infantrymen under an Allied joint-command of American, British, and Canadian leaders were sent across the English Channel, with hopes of re-establishing a foothold in Nazi-occupied France. Known as D-Day,... View Details

Keywords: Execution; Data Analytics; Leadership; Planning; Operations; Crisis Management; War; Organizational Structure; Decision Choices and Conditions; Information Management; France; England