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      • 2025
      • Chapter

      An Appraisal on 'Teaching the Early History of IB at Harvard Business School'

      By: Geoffrey Jones
      This chapter reviews new research about the origins of International Business as an academic discipline. Contrary to conventional wisdom that it orginated in economics departments in the 1960s, this research highlights the importance of teaching at Harvard Business... View Details
      Keywords: Harvard Business School; International Business
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      Jones, Geoffrey. "An Appraisal on 'Teaching the Early History of IB at Harvard Business School'." Chap. 10 in The Historial Evolution of International Business: Growth Trajectory of an Academic Field of Study, edited by Lilach Nachum and Attila Yaprak, 227–232. Cham, Switzerland: Palgrave Macmillan, 2025.
      • July 2025
      • Article

      Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers

      By: Mengjie Cheng and Shunyuan Zhang
      The growth of the influencer marketing industry warrants an empirical examination of the effect of posting sponsored videos on influencers' reputations. We collected a novel dataset of user-generated YouTube videos created by prominent English-speaking influencers in... View Details
      Keywords: Reputation; Mathematical Methods; Marketing Reference Programs; Social Media; Brands and Branding
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      Cheng, Mengjie, and Shunyuan Zhang. "Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers." Management Science 71, no. 7 (July 2025): 5910–5932.
      • 2025
      • Working Paper

      Heterogeneous Beliefs and Stock Market Fluctuations

      By: Odhrain McCarthy and Sebastian Hillenbrand
      This paper examines the role of heterogeneous investor beliefs in explaining stock market puzzles. Using survey data, we show that individual investors and investment professionals, such as equity analysts and strategists, form distinct beliefs. These groups rely on... View Details
      Keywords: Financial Markets; Valuation; Stocks; Asset Pricing; Investment; Behavioral Finance
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      McCarthy, Odhrain, and Sebastian Hillenbrand. "Heterogeneous Beliefs and Stock Market Fluctuations." Working Paper, June 2025. (WFA Brattle Group Ph.D. Award for Outstanding Research.)
      • June 2025
      • Case

      Transforming a Titan (A)

      By: George Serafeim and Lena Duchene
      Dimitri Papalexopoulos, fourth-generation CEO of TITAN Cement, must decide whether to keep leading the 120-year-old, family-controlled firm or hand the reins to new management. Over 26 years he has turned TITAN from a domestic player into an internationally diversified... View Details
      Keywords: AI; Artificial Intelligence; Digitalization; Digital; Family Firms; Leadership; Succession; Succession Planning; CEO Succession; CEO Role; Decarbonization; Resilience; Innovation; Organizational Transformations; AI and Machine Learning; Digital Strategy; Digital Transformation; Family Business; Family Ownership; Climate Change; Transformation; Crisis Management; Industrial Products Industry; Construction Industry; Greece; Europe; United States
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      Serafeim, George, and Lena Duchene. "Transforming a Titan (A)." Harvard Business School Case 125-121, June 2025.
      • June 2025
      • Supplement

      Transforming a Titan (C)

      By: George Serafeim and Lena Duchene
      Three years in his tenure as CEO, Cobuz must decide whether to launch a more than €500 million carbon-capture-and-storage facility. The project—Europe’s largest planned CCS installation—would cut almost 20 % of group emissions and unlock a €234 million EU Innovation... View Details
      Keywords: CEO; Family
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      Serafeim, George, and Lena Duchene. "Transforming a Titan (C)." Harvard Business School Supplement 125-123, June 2025.
      • June 2025
      • Teaching Note

      To Found or to Cofound? That Is the Question

      By: Christina Wallace and Stacy Straaberg
      Teaching Note for HBS Case No. 824-034. Entrepreneurs often struggle with the question of whether to found solo or alongside one or more cofounders. This case is comprised of three vignettes detailing common founding scenarios: the first-time technical founder; the... View Details
      Keywords: Business Startups; Decisions; Partners and Partnerships; Entrepreneurship; Fashion Industry; Financial Services Industry; Technology Industry; United States
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      Wallace, Christina, and Stacy Straaberg. "To Found or to Cofound? That Is the Question." Harvard Business School Teaching Note 825-148, June 2025.
      • June 2025
      • Supplement

      Full-Funnel Advertising on TikTok: An Experiment

      By: Jeremy Yang and Ayelet Israeli
      TikTok’s Marketing Science team developed a new type of advertising strategy beyond branding and performance advertising, called full-funnel advertising. Branding ads focused on brand building at the top of the funnel by generating consumer awareness, while performance... View Details
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      Yang, Jeremy, and Ayelet Israeli. "Full-Funnel Advertising on TikTok: An Experiment." Harvard Business School Spreadsheet Supplement 525-721, June 2025.
      • June 2025
      • Exercise

      Full-Funnel Advertising on TikTok: An Experiment

      By: Jeremy Yang and Ayelet Israeli
      TikTok’s Marketing Science team developed a new type of advertising strategy beyond branding and performance advertising, called full-funnel advertising. Branding ads focused on brand building at the top of the funnel by generating consumer awareness, while performance... View Details
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      Yang, Jeremy, and Ayelet Israeli. "Full-Funnel Advertising on TikTok: An Experiment." Harvard Business School Exercise 525-066, June 2025.
      • June 2025
      • Exercise

      Full-Funnel Advertising on TikTok: An Experiment (Solution)

      By: Jeremy Yang and Ayelet Israeli
      TikTok’s Marketing Science team developed a new type of advertising strategy beyond branding and performance advertising, called full-funnel advertising. Branding ads focused on brand building at the top of the funnel by generating consumer awareness, while performance... View Details
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      Yang, Jeremy, and Ayelet Israeli. "Full-Funnel Advertising on TikTok: An Experiment (Solution)." Harvard Business School Exercise 525-067, June 2025.
      • June 2025
      • Case

      Power Struggles: Hydro-Quebec’s Energy Dilemma

      By: Juan Alcacer and Danika Couture-Peck
      In 2024, Maxime Aucoin, Executive Vice President and CFO of Hydro-Quebec, faced a series of compounding challenges as the utility confronted rapidly rising electricity demand, public pricing constraints, and strained stakeholder relationships. As the steward of... View Details
      Keywords: Renewable Energy; Infrastructure; State Ownership; Vertical Integration; Energy; Energy Industry; Canada
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      Alcacer, Juan, and Danika Couture-Peck. "Power Struggles: Hydro-Quebec’s Energy Dilemma." Harvard Business School Case 725-468, June 2025.
      • June 2025
      • Case

      TagHive: Edtech Pricing and Distributor Decisions

      By: Isamar Troncoso, Frank V. Cespedes and Stacy Straaberg
      Education technology (edtech) company TagHive, founded in 2017, used a direct sales team and third-party distributors to sell its Class Saathi hardware and software solution to 300 clients, mainly primary and secondary schools in India. The product aimed to improve... View Details
      Keywords: Business Model; Marketing Channels; Marketing Strategy; Product Marketing; Social Marketing; Information Infrastructure; Information Technology; Internet and the Web; Mobile and Wireless Technology; Technology Adoption; Education; Teaching; Price; Customer Relationship Management; Customer Satisfaction; Growth and Development; Technological Innovation; Education Industry; Technology Industry; India; South Korea
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      Troncoso, Isamar, Frank V. Cespedes, and Stacy Straaberg. "TagHive: Edtech Pricing and Distributor Decisions." Harvard Business School Case 525-001, June 2025.
      • June 10, 2025
      • Article

      Research: When Help Isn’t Helpful

      By: Colin M. Fisher, Julianna Pillemer and Teresa M. Amabile
      Asking for and receiving help at work can boost employees’ creativity, help them learn new skills, and strengthen their interpersonal ties. Yet a years-long study at a global design consultancy found that even in organizations with strong helping cultures, a... View Details
      Keywords: Organizational Culture; Employees; Talent and Talent Management
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      Fisher, Colin M., Julianna Pillemer, and Teresa M. Amabile. "Research: When Help Isn’t Helpful." Harvard Business Review Digital Articles (June 10, 2025).
      • June 2025
      • Article

      Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion

      By: Emma Frank, Kai Krautter, Wen Wu and Jon M. Jachimowicz
      Prior research suggests that employees benefit from highly passionate teammates because passion spreads easily from one employee to the next. We develop theory to propose that life in high-passion teams may not be as uniformly advantageous as previously assumed. We... View Details
      Keywords: Passion; Emotional Contagion; Emotions; Groups and Teams; Employees; Power and Influence; Performance Improvement
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      Frank, Emma, Kai Krautter, Wen Wu, and Jon M. Jachimowicz. "Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion." Administrative Science Quarterly 70, no. 2 (June 2025): 444–495.
      • Summer 2025
      • Article

      Time Well Spent: A New Way to Value Time Could Change Your Life

      By: Leslie Perlow and Salvatore J Affinito
      When individuals engage in fulfilling activities outside of work, they perform better on the job, but simply encouraging work-life balance doesn’t help with hour-by-hour time management. A new tool for measuring the subjective value of time for individuals as it varies... View Details
      Keywords: Well-being; Work-Life Balance; Time Management
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      Perlow, Leslie, and Salvatore J Affinito. "Time Well Spent: A New Way to Value Time Could Change Your Life." MIT Sloan Management Review 66, no. 4 (Summer 2025): 44–49.
      • May 2025
      • Case

      stc Group: DARE to Transform

      By: Sunil Gupta and Sadika El Hariri
      Established as a government-owned entity in 1998, stc Group was the sole telecommunications operator in the Kingdom of Saudi Arabia (KSA). Soon after it was privatized in 2003, regional players started entering the Saudi market. To deal with the competition and to... View Details
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      Gupta, Sunil, and Sadika El Hariri. "stc Group: DARE to Transform." Harvard Business School Case 525-013, May 2025.
      • May 2025 (Revised June 2025)
      • Supplement

      Michael Ku and Global Clinical Supply at Pfizer Inc.: Bringing Hope to Patients (D)

      By: Linda A. Hill and Lydia Begag
      This fourth installment in the Pfizer Global Clinical Supply (GCS) transformation case series highlights how over a decade of cultural and digital evolution positioned GCS to meet unprecedented global challenges. In 2011, Michael Ku became the Vice President of GCS and... View Details
      Keywords: Innovation Leadership; Technological Innovation; Leadership Development; Leadership Style; Research and Development; Science-Based Business; Transformation; Health Pandemics; AI and Machine Learning; Analytics and Data Science; Digital Transformation; Leading Change; Product Launch; Supply Chain; Organizational Change and Adaptation; Alignment; Pharmaceutical Industry; Biotechnology Industry; Health Industry; United States; Asia; Europe; Latin America
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      Hill, Linda A., and Lydia Begag. "Michael Ku and Global Clinical Supply at Pfizer Inc.: Bringing Hope to Patients (D)." Harvard Business School Supplement 425-079, May 2025. (Revised June 2025.)
      • May 2025 (Revised May 2025)
      • Case

      Humana Commits to Value-Based Care

      By: V.G. Narayanan, Henry Eyring and David Lane
      In late 2023, CEO Bruce Broussard reviewed health insurer Humana’s transformation into a value-based care ecosystem. Under its CenterWell brand, the several millions of members in Humana Medicare Advantage plans now had access to Humana-provided primary care, home... View Details
      Keywords: Business Model; Business Units; Financing and Loans; Innovation Strategy; Growth and Development Strategy; Service Operations; Mergers and Acquisitions; Insurance; Health Care and Treatment; Partners and Partnerships; Health Industry; Insurance Industry; United States
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      Narayanan, V.G., Henry Eyring, and David Lane. "Humana Commits to Value-Based Care." Harvard Business School Case 125-013, May 2025. (Revised May 2025.)
      • May–June 2025
      • Article

      Centralization and Organization Reproduction: Ethnic Innovation in R&D Centers and Satellite Locations

      By: William R. Kerr
      We study the relationship between firm centralization and organizational reproduction in satellite locations. For decentralized firms, the ethnic compositions of inventors in satellite locations mostly resemble their host cities, with little link to the inventor... View Details
      Keywords: Organizational Reproduction; Centralization; Research and Development; Innovation and Invention; Organizational Design; Ethnicity
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      Kerr, William R. "Centralization and Organization Reproduction: Ethnic Innovation in R&D Centers and Satellite Locations." Organization Science 36, no. 3 (May–June 2025): 1088–1109.
      • May–June 2025
      • Article

      Sustainability as a Business-Model Transformation

      By: Ivanka Visnjic, Felipe Monteiro and Michael L. Tushman
      Many global companies have made public commitments to sustainability targets. Fulfilling these commitments will require firms to transform their business models and organizational architectures. A few pioneers are leading the way, demonstrating that companies can make... View Details
      Keywords: Environmental Sustainability; Business Model
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      Visnjic, Ivanka, Felipe Monteiro, and Michael L. Tushman. "Sustainability as a Business-Model Transformation." Harvard Business Review 103, no. 3 (May–June 2025): 80–89.
      • May–June 2025
      • Article

      What People Get Wrong About Psychological Safety

      By: Amy C. Edmondson and Michaela J. Kerrissey
      Psychological safety—a shared belief among team members that it’s OK to speak up with candor—has become a popular concept. However, as its popularity has grown, so too have misconceptions about it. Such misunderstandings can lead to frustration among leaders and... View Details
      Keywords: Leadership; Organizational Culture; Employees; Interpersonal Communication
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      Edmondson, Amy C., and Michaela J. Kerrissey. "What People Get Wrong About Psychological Safety." Harvard Business Review 103, no. 3 (May–June 2025): 52–59.
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