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      • September 2025
      • Article

      Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India

      By: Shawn Cole, Tomoko Harigaya, Grady Killeen and Aparna Krishna
      This paper evaluates a low-cost, customized soil nutrient management advisory service in India. As a methodological contribution, we examine whether and in which settings satellite measurements may be effective at estimating both agricultural yields and treatment... View Details
      Keywords: Measurement and Metrics; Mathematical Methods; Analytics and Data Science; Agriculture and Agribusiness Industry; India
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      Cole, Shawn, Tomoko Harigaya, Grady Killeen, and Aparna Krishna. "Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India." Journal of Development Economics 176 (September 2025).
      • 2025
      • Working Paper

      Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India

      By: Shawn Cole, Grady Killeen, Tomoko Harigaya and Aparna Krishna
      This paper evaluates a low-cost, customized soil nutrient management advisory service in India. As a methodological contribution, we examine whether and in which settings satellite measurements may be effective at estimating both agricultural yields and treatment... View Details
      Keywords: Performance Evaluation; Technology Adoption; Measurement and Metrics; Analytics and Data Science; Agriculture and Agribusiness Industry; India
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      Cole, Shawn, Grady Killeen, Tomoko Harigaya, and Aparna Krishna. "Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India." Harvard Business School Working Paper, No. 25-035, January 2025.
      • December 2024
      • Case

      5G Networks

      By: Andy Wu, Levi Stroud and Ruth Page
      This case, featuring Ajit Pai, Former Chairman of the U.S. Federal Communications Commission, explores the potential of 5G wireless networks. It illustrates how 5G works by examining its infrastructure and technological advancements. The case considers the specific... View Details
      Keywords: Investment; Technology Adoption; Technological Innovation; Infrastructure; Technology Industry; Technology Industry; United States
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      Wu, Andy, Levi Stroud, and Ruth Page. "5G Networks." Harvard Business School Multimedia/Video Case 724-865, December 2024.
      • 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... View Details
      Keywords: Investment; Technology Adoption; Technological Innovation; Infrastructure; Technology Industry; Technology Industry; United States
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      Wu, Andy, Levi Stroud, and Ruth Page. "5G Networks (B)." Harvard Business School Multimedia/Video Supplement 724-866, December 2024.
      • June 2024 (Revised August 2024)
      • Case

      Hospital for Special Surgery: Returning to a New Normal? (A)

      By: Robert S. Huckman, Michael Lingzhi Li and Camille Gregory
      Early on the morning of April 27, 2020, Justin Oppenheimer stood outside the entrance to the lobby of the Hospital for Special Surgery (HSS) Pavilion Building with mixed emotions. On one hand, Oppenheimer, HSS’ Enterprise Chief Operating Officer and Chief Strategy... View Details
      Keywords: Operations Management; Scheduling; Optimization; COVID-19; Health Care and Treatment; Operations; Customer Focus and Relationships; Disruption; Health Industry; United States
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      Huckman, Robert S., Michael Lingzhi Li, and Camille Gregory. "Hospital for Special Surgery: Returning to a New Normal? (A)." Harvard Business School Case 624-092, June 2024. (Revised August 2024.)
      • April 2024
      • Case

      Qualcomm, Inc. in 2024

      By: David B. Yoffie and Sarah von Bargen
      Qualcomm was facing a new era in 2024. After a judge’s adverse anti-trust decision almost destroyed Qualcomm’s business model, the company was victorious on appeal. The new CEO was optimistic about new growth opportunities in technologies such as 5G, AI, and augmented... View Details
      Keywords: Business Model; Lawsuits and Litigation; Growth and Development Strategy; Organizational Change and Adaptation; Valuation; Technology Industry; United States; China
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      Yoffie, David B., and Sarah von Bargen. "Qualcomm, Inc. in 2024." Harvard Business School Case 724-477, April 2024.
      • March 2024 (Revised September 2024)
      • Case

      Supercell 2.0: Clash of Plans

      By: Jeffrey F. Rayport and George Gonzalez
      Founded in 2010, Supercell was a Helsinki, Finland-based mobile gaming company that had developed and launched five global hit mobile games: Clash of Clans, Clash Royale, Hay Day, Brawl Stars, and Boom Beach. The company’s early philosophy was that it could produce... View Details
      Keywords: Business Growth and Maturation; Restructuring; Games, Gaming, and Gambling; Organizational Change and Adaptation; Organizational Culture; Organizational Structure; Corporate Strategy; Video Game Industry; Finland
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      Rayport, Jeffrey F., and George Gonzalez. "Supercell 2.0: Clash of Plans." Harvard Business School Case 824-180, March 2024. (Revised September 2024.)
      • February 2024
      • Supplement

      Seeds of Innovation: GALY's Quest to Cultivate the Future of Agriculture in the Lab

      By: George Serafeim
      In 2023, Luciano Bueno, CEO and founder of plant cell culture agriculture company GALY, was considering the best path forward for his company as he planned to pitch Series B investors. GALY, founded in 2019, aimed to produce cotton and other crops from cells grown in... View Details
      Keywords: Business Model; Green Technology; Goods and Commodities; Growth and Development Strategy; Science-Based Business; Entrepreneurship; Plant-Based Agribusiness; Business Startups; Decisions; Technological Innovation; Production; Entrepreneurial Finance; Agriculture and Agribusiness Industry; Agriculture and Agribusiness Industry; Boston; Sao Paulo
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      Serafeim, George. "Seeds of Innovation: GALY's Quest to Cultivate the Future of Agriculture in the Lab." Harvard Business School Multimedia/Video Supplement 124-705, February 2024.
      • October 2023
      • Case

      Kevin O'Leary: Building a Brand in Shark-infested Waters

      By: Reza Satchu and Patrick Sanguineti
      For more than fifteen years, successful Canadian entrepreneur and investor Kevin O’Leary had developed his brand into a global powerhouse. Since his first appearance on the Canadian television program Dragons’ Den in 2006 and his meteoric rise to stardom through the... View Details
      Keywords: Personal Brand; Crisis; Brands and Branding; Entrepreneurship; Crisis Management; Social Media; Public Opinion; Power and Influence; Financial Services Industry
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      Satchu, Reza, and Patrick Sanguineti. "Kevin O'Leary: Building a Brand in Shark-infested Waters." Harvard Business School Case 824-095, October 2023.
      • September 2023 (Revised November 2023)
      • Case

      Seeds of Innovation: GALY's Quest to Cultivate the Future of Agriculture in the Lab

      By: George Serafeim and Michael Norris
      In 2023, Luciano Bueno, CEO and founder of plant cell culture agriculture company GALY, was considering the best path forward for his company as he planned to pitch Series B investors. GALY, founded in 2019, aimed to produce cotton and other crops from cells grown in... View Details
      Keywords: Business Model; Green Technology; Goods and Commodities; Growth and Development Strategy; Science-Based Business; Entrepreneurship; Plant-Based Agribusiness; Business Startups; Decisions; Technological Innovation; Production; Agriculture and Agribusiness Industry; Agriculture and Agribusiness Industry; Boston; Sao Paulo
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      Serafeim, George, and Michael Norris. "Seeds of Innovation: GALY's Quest to Cultivate the Future of Agriculture in the Lab." Harvard Business School Case 124-017, September 2023. (Revised November 2023.)
      • September 2023 (Revised July 2024)
      • Case

      Going Mobile-First? The Digital Transformation of Davivienda Bank in Colombia

      By: Jorge Tamayo and Jenyfeer Martinez Buitrago
      Set in 2017, this case describes the digital transformation strategy of Davivienda—a leading player in Colombia’s commercial banking and one of the companies belonging to Grupo Bolívar, a major Colombian financial conglomerate. The case also describes the pioneer role... View Details
      Keywords: Change Management; Transformation; Decision Choices and Conditions; Information Technology; Digital Strategy; Digital Transformation; Internet and the Web; Mobile and Wireless Technology; Innovation and Management; Innovation Strategy; Growth and Development Strategy; Business Strategy; Banking Industry; Latin America; Central America; South America; Colombia
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      Tamayo, Jorge, and Jenyfeer Martinez Buitrago. "Going Mobile-First? The Digital Transformation of Davivienda Bank in Colombia." Harvard Business School Case 724-389, September 2023. (Revised July 2024.)
      • August 2023
      • Case

      BYD, China, and Global Electric Vehicle Rivalry

      By: Cynthia A. Montgomery and Max Hancock
      In 2023, BYD, a Chinese electric vehicle (EV) maker, surpassed Tesla to become the world's best-selling EV brand. BYD began selling mobile phone batteries in 1995, acquired a license to sell vehicles in 2002, and spent two decades building its EV brand, growing its... View Details
      Keywords: Competition; Competitive Strategy; Expansion; Segmentation; Vertical Integration; Market Participation; Environmental Sustainability; Auto Industry; Auto Industry; China; Europe; United States; Japan; South Korea
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      Montgomery, Cynthia A., and Max Hancock. "BYD, China, and Global Electric Vehicle Rivalry." Harvard Business School Case 724-358, August 2023.
      • July 2021 (Revised July 2022)
      • Case

      Brigham & Women's Hospital: Using Patient Reported Outcomes to Improve Breast Cancer Care

      By: Robert S. Kaplan, Navraj S. Nagra and Syed S. Shehab
      Dr. Andrea Pusic, breast cancer reconstruction surgeon, wants to extend outcomes measurement beyond traditional surgical metrics of infections, complications, and survival rates. The case describes her development of a new mobile phone app, which collects patients’... View Details
      Keywords: Health Care and Treatment; Outcome or Result; Cost Management; Activity Based Costing and Management; Mobile and Wireless Technology; Health Testing and Trials; Surveys; Health Industry; Boston
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      Kaplan, Robert S., Navraj S. Nagra, and Syed S. Shehab. "Brigham & Women's Hospital: Using Patient Reported Outcomes to Improve Breast Cancer Care." Harvard Business School Case 122-010, July 2021. (Revised July 2022.)
      • April 2021
      • Case

      Transforming BlackBerry: From Smartphones to Software

      By: Ranjay Gulati and Nicole Tempest Keller
      On the verge of failure, BlackBerry brought in John Chen as CEO in 2013 to orchestrate a bold turnaround of the company. Once an iconic leader in the smartphone market, BlackBerry was best known for its tactile QWERTY keyboard, strong security, and a focus on business... View Details
      Keywords: Pivot; Managing Change; Turnaround; Smartphone; Change Management; Leading Change; Transformation; Organizational Change and Adaptation; Digital Platforms; Change; Information Infrastructure; Applications and Software; Competitive Strategy; Cybersecurity; Technology Industry; Technology Industry; Canada
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      Gulati, Ranjay, and Nicole Tempest Keller. "Transforming BlackBerry: From Smartphones to Software." Harvard Business School Case 421-052, April 2021.
      • March 2021 (Revised August 2024)
      • Case

      Hotwire.com: Navigating Through Turbulence

      By: Jeffrey F. Rayport, Manny de Zarraga and Eric Levine
      On September 10, 2001, after speaking at an industry conference at New York’s World Trade Center, Hotwire co-founder Spencer Rascoff boarded a flight from Newark to San Francisco. After returning home, Rascoff awoke the next morning to a phone call informing him that... View Details
      Keywords: September 11; Corporate Entrepreneurship; Business Growth and Maturation; Disruption; Decisions; Job Cuts and Outsourcing; Growth Management; Digital Platforms; Problems and Challenges; Risk and Uncertainty; Expansion; Internet and the Web; Leading Change; Leadership Style; Air Transportation Industry; Air Transportation Industry; San Francisco
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      Rayport, Jeffrey F., Manny de Zarraga, and Eric Levine. "Hotwire.com: Navigating Through Turbulence." Harvard Business School Case 821-084, March 2021. (Revised August 2024.)
      • November 2020 (Revised May 2023)
      • Case

      Holaluz: Taking on the Spanish Energy Market

      By: Elie Ofek, Marco Bertini, Oded Koenigsberg, Elena Corsi and Emer Moloney
      In 2020, the three cofounders of Holaluz, a newcomer to Spain’s electricity retail market, are preparing to launch a new offering: installing and managing solar panels on households' roofs at no extra cost for the consumer, who would still benefit from the energy... View Details
      Keywords: Electricity; Solar Power; Subscription Business; Renewable Energy; Entrepreneurship; Service Delivery; Business Model; Product Launch; Marketing; Energy Industry; Spain
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      Ofek, Elie, Marco Bertini, Oded Koenigsberg, Elena Corsi, and Emer Moloney. "Holaluz: Taking on the Spanish Energy Market." Harvard Business School Case 521-045, November 2020. (Revised May 2023.)
      • November 2020
      • Case

      The Rise and Fall of Nokia (Abridged)

      By: Juan Alcácer and Tarun Khanna
      In 2013, Nokia sold its Device and Services business to Microsoft for €5.4 billion. For decades Nokia had led the telecommunications (telecom) industry in handsets and networking. By the late 2000s, however, Nokia's position as market leader in mobile devices was... View Details
      Keywords: Mobile Phones; Smartphones; Mobile and Wireless Technology; Emerging Markets; Technological Innovation; Competitive Strategy; Telecommunications Industry
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      Alcácer, Juan, and Tarun Khanna. "The Rise and Fall of Nokia (Abridged)." Harvard Business School Case 721-414, November 2020.
      • June 2020 (Revised May 2022)
      • Case

      Vanguard Retail Operations (A)

      By: Willy C. Shih and Antonio Moreno
      The first two cases in this series are set in the financial services industry, and explore whether it is better for back-office workers to be generalists who provide the flexibility of being able to handle the complete range of transactions that the company faces or... View Details
      Keywords: Pooling; Generalist Model; Specialist Model; Operations; Service Operations; Management; Job Design and Levels; Financial Services Industry; United States
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      Shih, Willy C., and Antonio Moreno. "Vanguard Retail Operations (A)." Harvard Business School Case 620-104, June 2020. (Revised May 2022.)
      • June 2020 (Revised August 2020)
      • Supplement

      Vanguard Retail Operations (B)

      By: Willy C. Shih and Antonio Moreno
      The first two cases in this series are set in the financial services industry, and explore whether it is better for back-office workers to be generalists who provide the flexibility of being able to handle the complete range of transactions that the company faces or... View Details
      Keywords: Pooling; Generalist Model; Specialist Model; Service Operations; Management; Financial Services Industry; United States
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      Shih, Willy C., and Antonio Moreno. "Vanguard Retail Operations (B)." Harvard Business School Supplement 620-105, June 2020. (Revised August 2020.)
      • August 2019
      • Case

      Huawei and the U.S.-China Trade War

      By: Elie Ofek and John Masko
      In 2019, Chinese smartphone maker and telecommunications empire Huawei was preparing to launch its new flagship smartphone series, the Mate 30. After years of explosive growth, the previous 18 months had been a challenge for the company. In early 2018, Huawei’s planned... View Details
      Keywords: Trade; Global Strategy; International Relations; National Security; Mobile and Wireless Technology; Information Infrastructure; Volatility; Adaptation; Telecommunications Industry; China; United States; European Union
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      Ofek, Elie, and John Masko. "Huawei and the U.S.-China Trade War." Harvard Business School Case 520-017, August 2019.
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