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      • Summer 2025
      • Article

      Dynamic Competition for Customer Memberships

      By: Cristian Chica, Julian Jimenez-Cardenas and Jorge Tamayo
      A competitive two-period membership (subscription) market is analyzed. Two symmetric firms charge a “membership” fee that allows consumers to buy products or services at a given unit price for both periods. Firms can choose between long- or short-term memberships. When... View Details
      Keywords: Competitive Price Discrimination; Membership; Dynamic Competition; Competition; Price; Consumer Behavior; Business Model
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      Chica, Cristian, Julian Jimenez-Cardenas, and Jorge Tamayo. "Dynamic Competition for Customer Memberships." Journal of Economics & Management Strategy 34, no. 2 (Summer 2025): 525–556.
      • May 2025
      • Case

      The Video-Streaming Wars in 2025: Can Anyone Catch Netflix?

      By: Anita Elberse and Javiera Larenas
      On January 21, 2025, Ted Sarandos, co-chief executive officer of video-streaming service Netflix, presented the company’s quarterly earnings. He had every reason to be upbeat: Netflix added 19 million new subscribers in the final quarter of 2024, ended the year with a... View Details
      Keywords: Entertainment; Media; Television; Management; Strategy; Disruption; Technology; Competition
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      Elberse, Anita, and Javiera Larenas. "The Video-Streaming Wars in 2025: Can Anyone Catch Netflix?" Harvard Business School Case 525-059, May 2025.
      • May 2025 (Revised May 2025)
      • Case

      Netflix Beyond Streaming: Strategies for the Next Era of Entertainment

      By: Juan Alcacer and Lorenzo Lucidi
      Netflix loses subscribers for the first time in over a decade—can the streaming pioneer reinvent itself before competitors, costs, and churn catch up? In 2022, facing fierce competition and shifting consumer behaviors, Netflix confronts its most critical strategic... View Details
      Keywords: United States; Australia; Brazil; Canada; France; Germany; India; Japan; Mexico; Russia; South Korea; Spain; United Kingdom
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      Alcacer, Juan, and Lorenzo Lucidi. "Netflix Beyond Streaming: Strategies for the Next Era of Entertainment." Harvard Business School Case 725-429, May 2025. (Revised May 2025.)
      • 2024
      • Case

      EPCorp: Convincing the C-Suite

      By: Jacob M. Cook
      In EPCorp: Convincing the C-Suite, Shivani Bahl is attempting to sell EPCorp's CEO, Debbie Sullivan, on her ideas for not only a new website upgrade but also a more expansive vision on how data and Generative AI can be used to grow the company. Debbie is understandably... View Details
      Keywords: AI and Machine Learning; E-commerce; Growth and Development Strategy
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      Cook, Jacob M. "EPCorp: Convincing the C-Suite." Harvard Business Publishing Case, 2024. (Quick Case.)
      • 2025
      • Working Paper

      Management and Firm Dynamism

      By: Nicholas Bloom, Jonathan S. Hartley, Raffaella Sadun, Rachel Schuh and John Van Reenen
      We show better-managed firms are more dynamic in plant acquisitions, disposals, openings and closings in U.S. Census and international data. Better-managed firms also birth better-managed plants, and improve the performance of the plants they acquire. To explain these... View Details
      Keywords: Management Practices; Productivity; Management Practices and Processes; Mergers and Acquisitions; Competition; Business or Company Management; Performance Productivity
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      Bloom, Nicholas, Jonathan S. Hartley, Raffaella Sadun, Rachel Schuh, and John Van Reenen. "Management and Firm Dynamism." Harvard Business School Working Paper, No. 25-052, April 2025.
      • April 2025
      • Case

      Lisa Su and AMD (A)

      By: Joshua D. Margolis, Matthew Preble and Dave Habeeb
      This multimedia case study focuses on CEO Lisa Su’s turnaround and subsequent transformation of the technology company Advanced Micro Devices, Inc. (AMD). When Su accepted the top position in 2014, AMD was on the verge of collapse. Su focused the company’s culture,... View Details
      Keywords: Turnaround; Artificial Intelligence; Semiconductors; Change Management; Transformation; Decision Making; Globalized Markets and Industries; Government and Politics; AI and Machine Learning; Innovation and Management; Innovation Strategy; Innovation Leadership; Leadership; Leadership Style; Leading Change; Management; Product Design; Product Development; Organizational Change and Adaptation; Organizational Culture; Organizational Design; Strategic Planning; Business and Shareholder Relations; Business and Stakeholder Relations; Research and Development; Business Strategy; Competitive Strategy; Competitive Advantage; Corporate Strategy; Semiconductor Industry; Computer Industry; United States; California; Texas
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      Margolis, Joshua D., Matthew Preble, and Dave Habeeb. "Lisa Su and AMD (A)." Harvard Business School Multimedia/Video Case 425-704, April 2025.
      • April 2025
      • Teaching Note

      ZEISS: Commercializing Science

      By: Maria P. Roche
      Teaching Note for HBS Case No. 725-359. View Details
      Keywords: Business Model; Business Organization; Decisions; Business Strategy; Competition; Business History; Collaborative Innovation and Invention; Independent Innovation and Invention; Disruptive Innovation; Innovation and Management; Innovation Strategy; Technological Innovation; Growth and Development Strategy; Knowledge Sharing; Industry Growth; Monopoly; Organizational Culture; Supply Chain Management; Partners and Partnerships; Risk and Uncertainty; Adaptation; Commercialization; Resource Allocation; Corporate Strategy; Semiconductor Industry; Technology Industry; Germany; Europe
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      Roche, Maria P. "ZEISS: Commercializing Science." Harvard Business School Teaching Note 725-458, April 2025.
      • April 2025
      • Teaching Note

      Tabby: Winning Customers' Digital Wallets

      By: Eva Ascarza
      Teaching Note for HBS Case No. 524-056. Tabby, a Saudi-based fintech founded in 2019, rapidly became one of the MENA region’s first unicorns by offering buy-now-pay-later (BNPL) services with a unique twist: instead of charging end consumers, it partnered with... View Details
      Keywords: Business Startups; Marketing; Entrepreneurship; Growth and Development Strategy; Business Strategy; Business Model; Competitive Strategy; Financial Services Industry; Middle East; Saudi Arabia; United Arab Emirates
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      Ascarza, Eva. "Tabby: Winning Customers' Digital Wallets." Harvard Business School Teaching Note 525-057, April 2025.
      • 2025
      • Working Paper

      Prices and Concentration: A U-shape? Theory and Evidence from Renewables

      By: Michele Fioretti, Junnan He and Jorge Tamayo
      We show that when firms compete via supply functions, transferring high-cost capacity to the largest, most efficient firm—thereby diversifying its production technologies while increasing concentration—can lower prices by prompting the leader to expand output and... View Details
      Keywords: Diversified Production Technologies; Concentration Levels; Market Power; Supply Function Equilibrium; Hydropower; Energy Transition; Renewable Energy; Price; Competition; Supply and Industry; Energy Industry; Colombia
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      Fioretti, Michele, Junnan He, and Jorge Tamayo. "Prices and Concentration: A U-shape? Theory and Evidence from Renewables." Harvard Business School Working Paper, No. 25-049, April 2025.
      • April 2025
      • Supplement

      ZEISS: Commercializing Science

      By: Maria P. Roche and Richie Zitomer
      Spreadsheet Supplement for HBS Case No. 725-359. View Details
      Keywords: Business Model; Business Organization; Decisions; Business Strategy; Competition; Business History; Collaborative Innovation and Invention; Independent Innovation and Invention; Disruptive Innovation; Innovation and Management; Innovation Strategy; Technological Innovation; Growth and Development Strategy; Knowledge Sharing; Industry Growth; Monopoly; Organizational Culture; Supply Chain Management; Partners and Partnerships; Risk and Uncertainty; Adaptation; Commercialization; Resource Allocation; Corporate Strategy; Semiconductor Industry; Technology Industry; Germany; Europe
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      Roche, Maria P., and Richie Zitomer. "ZEISS: Commercializing Science." Harvard Business School Spreadsheet Supplement 725-856, April 2025.
      • March–April 2025
      • Article

      Getting Value from Digital Technologies

      By: Frank Cespedes and Georg Krentzel
      Companies need digital technologies in an omni-channel buying world where online and in-person interactions are complements, not either/or substitutes. Multi-channel hybrid sales solutions are required, but what are the key requirements for using the available... View Details
      Keywords: Sales; Technology Adoption; Competitive Advantage
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      Cespedes, Frank, and Georg Krentzel. "Getting Value from Digital Technologies." European Business Review (March–April 2025): 6–9.
      • April 2025
      • Article

      The Allocation of Socially Responsible Capital

      By: Daniel Green and Benjamin N. Roth
      Portfolio allocation decisions increasingly incorporate social values. We develop a tractable framework to study how competition between investors to own socially valuable assets affects social welfare. Relative to the most common social-investing strategies, we... View Details
      Keywords: Socially Responsible Investing; Investment Portfolio; Welfare; Social Issues; Investment Return
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      Green, Daniel, and Benjamin N. Roth. "The Allocation of Socially Responsible Capital." Journal of Finance 80, no. 2 (April 2025): 755–781.
      • 2025
      • Book

      The World Is Your Office: How Work from Anywhere Boosts Talent, Productivity, and Innovation

      By: Prithwiraj Choudhury
      A research-based look at a growing phenomenon—companies allowing their employees to work from anywhere in the world—and how those who adopt this model can boost talent, innovation, and productivity.
      In recent years, companies in a wide range of industries have... View Details
      Keywords: Remote Work; Telecommuting; Employees; Business Offices; Organizational Culture; Retention; Recruitment; Policy; Competitive Advantage
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      Choudhury, Prithwiraj. The World Is Your Office: How Work from Anywhere Boosts Talent, Productivity, and Innovation. Harvard Business Review Press, 2025.
      • March 2025
      • Case

      Calyx Global: Rating Carbon Credits

      By: Michael W. Toffel and Adam Chen
      This case describes how rating agencies and other organizations are seeking to improve the quality of carbon credits sold in the voluntary carbon market to organizations seeking to use them to supplement their internal decarbonization efforts to meet their net zero... View Details
      Keywords: Service Design; Certification; Auditing; Auditor Reputation; Carbon Credits; Carbon; Rating Agency Disagreement; Ratings; Climate Change; Business Model; Environmental Sustainability; Corporate Social Responsibility and Impact; Conflict of Interests; Reputation; Business Strategy
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      Toffel, Michael W., and Adam Chen. "Calyx Global: Rating Carbon Credits." Harvard Business School Case 625-102, March 2025.
      • March 2025 (Revised April 2025)
      • Case

      Perplexity: Redefining Search

      By: Suraj Srinivasan, Michelle Hu, Sriraghav Srinivasan and Radhika Kak
      By early 2025, Perplexity had rapidly evolved from a modest startup into a popular "answer engine" valued at $9 billion. The company had boldly positioned itself as the disruptor to Google aiming to redefine search for the AI age. Through novel AI... View Details
      Keywords: AI and Machine Learning; Venture Capital; Innovation Leadership; Technological Innovation; Internet and the Web; Business Startups; Competitive Strategy; Technology Industry; United States
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      Srinivasan, Suraj, Michelle Hu, Sriraghav Srinivasan, and Radhika Kak. "Perplexity: Redefining Search." Harvard Business School Case 125-093, March 2025. (Revised April 2025.)
      • March 2025 (Revised May 2025)
      • Case

      Xfund and Sam Altman: Finding Harvard's Best Generative AI Founders

      By: Suraj Srinivasan
      On May 1, 2024, Xfund Managing Partners Patrick Chung and Brandon Farwell, hosted a high-stakes venture pitch session designed to select one startup for a minimum $100,000 investment. This “Xperiment Stake” competition, dedicated to startups in the Generative AI... View Details
      Keywords: AI and Machine Learning; Venture Capital; Innovation Leadership; Technological Innovation; Business Startups; Competition; Technology Industry; United States
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      Srinivasan, Suraj. "Xfund and Sam Altman: Finding Harvard's Best Generative AI Founders." Harvard Business School Case 125-090, March 2025. (Revised May 2025.)
      • February 2025
      • Supplement

      Kwame Spearman at Tattered Cover

      By: Ryan Raffaelli
      Keywords: Retail; Leadership; Leading Change; Competitive Strategy; Personal Development and Career; Publishing Industry; Retail Industry; United States
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      Raffaelli, Ryan. "Kwame Spearman at Tattered Cover." Harvard Business School Multimedia/Video Supplement 425-716, February 2025.
      • February 2025
      • Teaching Note

      The Reinvention of Kodak

      By: Ryan Raffaelli
      Teaching Note for HBS Case Nos. 419-012 and 421-704. View Details
      Keywords: Asset Management; Transformation; Organizational Change and Adaptation; Competitive Strategy
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      Raffaelli, Ryan. "The Reinvention of Kodak." Harvard Business School Teaching Note 425-053, February 2025.
      • February 2025
      • Case

      Managing Complexity at mymuesli

      By: Thomas Graeber and Stacy Straaberg
      In April 2009, direct-to-consumer e-commerce muesli brand mymuesli faced a flood of customer questions. The breakfast cereal startup enabled users to order personalized muesli on its website by choosing from 75 organic ingredients for a total of 566 quadrillion... View Details
      Keywords: Customer Satisfaction; Decisions; Food; Product Marketing; Product Positioning; Product Launch; Problems and Challenges; Behavior; Competitive Advantage; Customization and Personalization; Segmentation; Internet and the Web; Food and Beverage Industry; Europe; Germany
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      Graeber, Thomas, and Stacy Straaberg. "Managing Complexity at mymuesli." Harvard Business School Case 925-008, February 2025.
      • February 2025
      • Supplement

      eBee: Affordable Mobility for Africa

      By: Ramon Casadesus-Masanell, Gamze Yucaoglu and Jordan Mitchell
      The case opens in March 2023, as Sten van der Ham and Jaap Maljers, CEO and co-founder of eBee, an electric bike (e-bike) company in Africa, are contemplating the different avenues for growth and path to profitability for the young and ambitious company. In 2023, the... View Details
      Keywords: Business Model; Value Creation; Competition; Logistics; Profit; Resource Allocation; Expansion; Business Strategy; Growth and Development Strategy; Bicycle Industry; Africa; Kenya
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      Casadesus-Masanell, Ramon, Gamze Yucaoglu, and Jordan Mitchell. "eBee: Affordable Mobility for Africa." Harvard Business School Spreadsheet Supplement 725-855, February 2025.
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