Publications

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January 1992
Teaching Note

Science Technology Company (1985) TN

By: Thomas R. Piper

Teaching Note for (9-289-040). View Details

Keywords: Manufacturing Industry; Electronics Industry; United States

July 1991 (Revised August 1991)
Case

Philip Morris Companies, Inc. (B)

By: Samuel L. Hayes III

Looks at the company's plans for a new debt offering under the Rule 415 shelf underwriting provision--in this instance from the vantage point of the lead investment banker for the deal. The decision-maker must assess the risks of the issuer, the tone of the market, the... View Details

Keywords: Risk Management; Stocks; Initial Public Offering; Consumer Products Industry; United States

July 1991
Case

Managing the U.S. Dollar in the 1980s

By: W. Carl Kester and Richard P. Melnick

Provides numerical data and alternative explanations concerning the U.S. dollar's rise and subsequent fall in value from 1981 through 1987. Students are challenged to study the evidence and make their own inferences concerning the dollar's movements and the degree of... View Details

Keywords: Macroeconomics; Currency Exchange Rate; Price; Theory; United States

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July 1990 (Revised August 1990)
Case

Kaiser Steel Corporation, 1950

By: Timothy A. Luehrman and William Schiano

Examines Kaiser Steel's initial equity offering in 1950. The first case in a sequence that will trace the history of corporate restructurings that occurred 30 to 40 years later, in the 1980s. Subsequent cases examine foreign competition and labor unrest, hostile... View Details

Keywords: Business History; Competition; Initial Public Offering; Capital Structure; Restructuring; Capital Markets; Ownership; Steel Industry; United States

January 2025
Case

Duolingo: On a "Streak"

By: Jeffrey F. Rayport, Nicole Tempest Keller and Nicole Luo

In December 2024, Severin Hacker, Co-Founder and Chief Technology Officer of Duolingo, reflected on the remarkable evolution of the language-learning app he helped launch in 2011. As the #1 most downloaded education app in the world, Duolingo had over 100 million... View Details

Keywords: Education; Learning; Technology Industry; Education Industry; United States

January 2025
Supplement

The VideaHealth AI Factory: CEO Florian Hillen on Speed, Scale, and Innovation (B)

By: Tsedal Neeley, Levi Stroud, Ruth Page and Dave Habeeb

Pre-abstract: This multimedia case should be assigned to students in advance of class. Instructors should consider the timing of making the (B) Case videos available to students, as they may reveal key case details. Abstract: Florian Hillen, co-founder and CEO of... View Details

Keywords: AI; Adoption; Diagnostics; Organization Design; Change Management; Disruption; Transformation; Health Care and Treatment; AI and Machine Learning; Technology Adoption; Disruptive Innovation; Technological Innovation; Management Style; Organizational Culture; Success; Technology Industry; Health Industry; United States

January 2025
Case

The VideaHealth AI Factory: CEO Florian Hillen on Speed, Scale, and Innovation (A)

By: Tsedal Neeley, Levi Stroud, Ruth Page and Dave Habeeb

Pre-abstract: This multimedia case should be assigned to students in advance of class. Instructors should consider the timing of making the (B) Case videos available to students, as they may reveal key case details. Abstract: Florian Hillen, co-founder and CEO of... View Details

Keywords: AI; Adoption; Diagnostics; Organization Design; Change Management; Disruption; Transformation; Health Care and Treatment; AI and Machine Learning; Technology Adoption; Disruptive Innovation; Technological Innovation; Management Style; Organizational Culture; Success; Technology Industry; Health Industry; United States

January 2025
Technical Note

U.S. and Global Agriculture: The Next Four Years

By: Forest Reinhardt, Sarah Dankens and Natalie Kindred

Keywords: Food and Beverage Industry; Agriculture and Agribusiness Industry; United States

October 2024
Article

Medicare Part D Protected-Class Policy Is Associated with Lower Drug Rebates

By: Pragya Kakani, Michael Anne Kyle, Amitabh Chandra and Luca Maini

Medicare Part D does not allow plans to exclude drugs in six protected classes from their formularies, which may limit plans’ ability to negotiate rebates and lead to higher spending. We estimated the association between protected-class status, US-level estimated... View Details

Keywords: Insurance; Health Care and Treatment; Governing Rules, Regulations, and Reforms; United States

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October 2024
Case

Ranger Energy Services: Bridging Public & Private Markets

By: Joseph Pacelli, Ravi Ramniklal Gondalia and James Weber

In August of 2017, CSL Capital, a private equity fund founded and operated by Charlie Leykum (HBS ’04), was deciding to take one of its portfolio companies, Ranger Energy Services, public. Founded in 2014, Ranger Energy was an oilfield service company providing... View Details

Keywords: Entrepreneurship; Initial Public Offering; Financial Strategy; Valuation; Private Equity; Business Strategy; Investment Portfolio; Investment Return; Financial Services Industry; Energy Industry; United States

August 2024 (Revised January 2025)
Case

Barbie: Reviving a Cultural Icon at Mattel

By: Elie Ofek, Ryann Noe and Sarah Mehta

The 2023 release of the live-action film Barbie, and its accompanying marketing blitz, incited a worldwide Barbie craze. Suddenly Barbie was everywhere, a celebrated icon reinstated at the forefront of cultural conversation. This goodwill stood in contrast to... View Details

Keywords: Brands and Branding; Media; Intellectual Property; Business Strategy; Entertainment; Gender; Public Opinion; Marketing Strategy; Consumer Products Industry; Entertainment and Recreation Industry; Motion Pictures and Video Industry; Retail Industry; United States

June 2024
Teaching Note

Tommy Hilfiger Adaptive: Fashion for All

By: Elizabeth A. Keenan and Max Hancock

Keywords: Social Marketing; Fashion Industry; United States

June 2024
Teaching Note

Dirk Nowitzki: Changing the Game

By: Boris Groysberg, Katherine Connolly Baden and Robin Abrahams

Teaching Note for HBS Case No. 420-031. NBA Superstar Dirk Nowitzki was unsure whether the 2018-19 season would be his last as an NBA player. He had not faced such uncertainty since 1998, when he had navigated a difficult decision regarding the timing of his move to... View Details

Keywords: Problems and Challenges; Practice; Retirement; Work-Life Balance; Success; Knowledge Acquisition; Knowledge Sharing; Knowledge Use and Leverage; Growth and Development; Philanthropy and Charitable Giving; Performance; Sports Industry; United States

December 2024
Supplement

5G Networks (B)

By: Andy Wu, Levi Stroud and Ruth Page

Pre-Abstract: This multimedia case should be assigned to students in advance of class. Instructors should consider the timing of making the B and C video available to students, as they may reveal key case details. Abstract: Featuring Ajit Pai, Former Chairman of the... View Details

Keywords: Technology Industry; United States

May 2024 (Revised May 2024)
Case

Choosing the Course of Passion: Brooke Boyarsky Pratt at knownwell

By: Jon M. Jachimowicz and Alexis Lefort

Brooke Boyarsky Pratt (HBS ’13) enjoyed considerable success in her early career, quickly climbing the ranks to associate partner at McKinsey, and later becoming an executive vice president at Berkadia, a Berkshire Hathaway portfolio company. Throughout these years,... View Details

Keywords: Passion; Career; Career Planning; Purpose; Personal Development and Career; Mission and Purpose; Identity; Business Startups; Health Care and Treatment; Health Disorders; Growth and Development Strategy; Market Entry and Exit; Health Industry; United States

May 2024
Supplement

HubSpot and Motion AI (B): Generative AI Opportunities

By: Jill Avery

The technologies driving artificial intelligence (AI) had progressed significantly since HubSpot’s acquisition of Motion AI in 2017. Generative AI was the newest major development. Software-as-a-service (SaaS) companies such as HubSpot were analyzing how generative AI... View Details

Keywords: Artificial Intelligence; CRM; Chatbots; Sales Management; Generative Ai; SaaS; Marketing; Sales; AI and Machine Learning; Customer Relationship Management; Applications and Software; Technological Innovation; Competitive Advantage; Technology Industry; United States

May 2024
Teaching Note

The Meteoric Rise of Skims

By: Ayelet Israeli, Jill Avery and Leonard A. Schlesinger

Teaching Note for HBS Case No. 524-023, "The Meteoric Rise of Skims." View Details

May 2024 (Revised January 2025)
Technical Note

Education Technology: A Technical Note

By: Boris Groysberg

This note considers educational technology as it intersects with HR technology. View Details

Keywords: Edtech; HR; AI; Data Science; Competency and Skills; Talent and Talent Management; Human Resources; Personal Development and Career; Education Industry; Technology Industry; United States

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