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Publications

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    • All HBS Web  (2,868)
      • Faculty Publications  (526)

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      • October 2023
      • Case

      Fortinet: Cybersecurity Pioneer Ken Xie Considers the Long Game

      By: Tsedal Neeley, Jeff Huizinga and Emily Grandjean
      Ken Xie, cofounder of cybersecurity giant Fortinet, faced a critical decision that would validate his leadership. Fortinet became the industry’s second-largest pureplay cybersecurity firm by developing differentiated hardware and investing in R&D. However, after a...  View Details
      Keywords: Leadership Development; Leadership Style; Marketing Strategy; Information Technology Industry; United States; Sunnyvale
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      Neeley, Tsedal, Jeff Huizinga, and Emily Grandjean. "Fortinet: Cybersecurity Pioneer Ken Xie Considers the Long Game." Harvard Business School Case 424-016, October 2023.
      • September 2023
      • Case

      FoodCloud: Tackling Food Insecurity and Climate Change in One Bite

      By: Brian Trelstad and Emer Moloney
      In 2013, Aoibheann O’Brien and Iseult Ward founded FoodCloud, a non-profit social enterprise that aimed to address food waste and food insecurity issues. Through its technology platform, Foodiverse, FoodCloud connected surplus food from retailers with community groups...  View Details
      Keywords: Green Technology Industry; Green Technology Industry; Green Technology Industry; Republic of Ireland; Europe
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      Trelstad, Brian, and Emer Moloney. "FoodCloud: Tackling Food Insecurity and Climate Change in One Bite." Harvard Business School Case 324-031, September 2023.
      • 2023
      • Working Paper

      Incentivizing Innovation in Open Source: Evidence from the GitHub Sponsors Program

      By: Annamaria Conti, Vansh Gupta, Jorge Guzman and Maria P. Roche
      Open source is key to innovation, but we know little about how to incentivize it. In this paper, we examine the impact of a program providing monetary incentives to motivate innovators to contribute to open source. The Sponsors program was introduced by GitHub in...  View Details
      Keywords: Open Source Distribution; Innovation and Invention; Motivation and Incentives; Technology Industry
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      Conti, Annamaria, Vansh Gupta, Jorge Guzman, and Maria P. Roche. "Incentivizing Innovation in Open Source: Evidence from the GitHub Sponsors Program." Harvard Business School Working Paper, No. 24-014, September 2023. (NBER Working Paper Series, No. 31668, September 2023.)
      • August 2023
      • Teaching Note

      Huawei: A Global Tech Giant in the Crossfire of a Digital Cold War

      By: William C. Kirby and Noah B. Truwit
      Teaching Note for HBS Case No. 320-089. By 2020, Ren Zhengfei, CEO of Huawei, had transformed the small telephone switch manufacturer he founded in 1987 into a $120 billion telecommunications company poised to lead the lucrative rollout of fifth-generation (5G)...  View Details
      Keywords: Geopolitical Units; Business and Government Relations; International Relations; Communication Strategy; Telecommunications Industry; China
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      Kirby, William C., and Noah B. Truwit. "Huawei: A Global Tech Giant in the Crossfire of a Digital Cold War." Harvard Business School Teaching Note 324-019, August 2023.
      • 2023
      • Working Paper

      Learning to Use: Stack Overflow and Technology Adoption

      By: Daniel Jay Brown and Maria P. Roche
      In this paper, we examine the potential impact of Q&A websites on the adoption of technologies. Using data from Stack Overflow – one of the most popular Q&A websites worldwide – and implementing an instrumental-variable approach, we find that users whose questions...  View Details
      Keywords: Technology Adoption; Knowledge Sharing
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      Brown, Daniel Jay, and Maria P. Roche. "Learning to Use: Stack Overflow and Technology Adoption." Harvard Business School Working Paper, No. 24-001, July 2023.
      • July 13, 2023
      • Article

      Threads Foreshadows a Big—and Surprising—Shift in Social Media

      By: Scott Duke Kominers and Liang Wu
      Threads, Meta’s Twitter competitor, has become the fastest downloaded app in history. One of the reasons for this is because it allows users to port over their profiles and follows from the already popular social media platform Instagram, also owned by Meta—a feature...  View Details
      Keywords: Decentralization; Twitter; Facebook; Instagram; Crypto Economy; Blockchain; Network; Industrial Organization; Competition; Open Innovation; Open Platforms; Open Source Innovation; Social Networks; Social Media; Applications and Software; Information Technology Industry
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      Kominers, Scott Duke, and Liang Wu. "Threads Foreshadows a Big—and Surprising—Shift in Social Media." Harvard Business Review Digital Articles (July 13, 2023).
      • June 2023 (Revised July 2023)
      • Case

      Social Media Background Screening at Fama Technologies

      By: Joseph Pacelli, Jillian Grennan and Alexis Lefort
      Fama Technologies is an online screening company that uses AI to analyze job applicants' publicly available online content for signs of risk and culture fit. The case opens with Ben Mones, founder and CEO, looking to secure funding from venture firms. He is running...  View Details
      Keywords: Human Resources; Recruitment; Retention; Selection and Staffing; Organizational Culture; Talent and Talent Management; AI and Machine Learning; Social Media; Venture Capital; Entrepreneurship; United States
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      Pacelli, Joseph, Jillian Grennan, and Alexis Lefort. "Social Media Background Screening at Fama Technologies." Harvard Business School Case 123-010, June 2023. (Revised July 2023.)
      • June 2023
      • Simulation

      Artea Dashboard and Targeting Policy Evaluation

      By: Ayelet Israeli and Eva Ascarza
      Companies deploy A/B experiments to gain valuable insights about their customers in order to answer strategic business problems. In marketing, A/B tests are often used to evaluate marketing interventions intended to generate incremental outcomes for the firm. The Artea...  View Details
      Keywords: Algorithm Bias; Algorithmic Data; Race And Ethnicity; Experimentation; Promotion; Marketing And Society; Big Data; Privacy; Data-driven Management; Data Analysis; Data Analytics; E-Commerce Strategy; Discrimination; Targeted Advertising; Targeted Policies; Pricing Algorithms; A/B Testing; Ethical Decision Making; Customer Base Analysis; Customer Heterogeneity; Coupons; Marketing; Race; Gender; Diversity; Customer Relationship Management; Marketing Communications; Advertising; Decision Making; Ethics; E-commerce; Analytics and Data Science; Retail Industry; Apparel and Accessories Industry; United States
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      Israeli, Ayelet, and Eva Ascarza. "Artea Dashboard and Targeting Policy Evaluation." Harvard Business School Simulation 523-707, June 2023.
      • June 2023
      • Case

      Collaboration Wars: Slack vs. Microsoft Teams 2023

      By: David B. Yoffie, Kriti Gupta, Mehek Punatar, Poonam Sacheti and Poorvi Vijay
      What's the future of corporate communications? Email? Corporate messaging? The battle for corporate messaging in 2023 was stacking up as a fight between Slack, which had been recently acquired by Salesforce, and Microsoft Teams. This case explores a classic judo...  View Details
      Keywords: Strategy; Competition; Product Positioning; Technology Industry; Technology Industry
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      Yoffie, David B., Kriti Gupta, Mehek Punatar, Poonam Sacheti, and Poorvi Vijay. "Collaboration Wars: Slack vs. Microsoft Teams 2023." Harvard Business School Case 723-457, June 2023.
      • June 2023
      • Case

      Block: Creating an Ecosystem of Ecosystems

      By: Lauren Cohen, Richard Ryffel, Grace Headinger and Ruoshi Qi
      At Investor Day 2022, Block announced a new vision for its businesses: creating an ecosystem of ecosystems. Outside the norm for many public growth companies, Block had recently acquired a variety of new business streams in the creator economy and Bitcoin despite a...  View Details
      Keywords: Business Growth; Fintech; Company Management; Growth Strategy; Innovation And Strategy; Acquisition; Business Growth and Maturation; Business Model; Change; Finance; Growth Management; Growth and Development Strategy; Innovation Strategy; Technological Innovation; Communication Strategy; Corporate Strategy; Business Strategy; Technology Industry; Technology Industry; United States; California; San Francisco
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      Cohen, Lauren, Richard Ryffel, Grace Headinger, and Ruoshi Qi. "Block: Creating an Ecosystem of Ecosystems." Harvard Business School Case 223-055, June 2023.
      • 2023
      • Working Paper

      Teams in the Digital Workplace: Technology's Role for Communication, Collaboration, and Performance

      By: Jacqueline N. Lane, Paul Leonardi, Noshir Contractor and Leslie DeChurch
      This paper addresses the need for theoretical advancements in understanding team processes and the impact of technology on teams. Specifically, it examines the use of digital collaboration technologies by organizational teams and their effect on team communication and...  View Details
      Keywords: Affordances; Groups and Teams; Communication Technology; Social Media; Organizational Change and Adaptation; Perception
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      Lane, Jacqueline N., Paul Leonardi, Noshir Contractor, and Leslie DeChurch. "Teams in the Digital Workplace: Technology's Role for Communication, Collaboration, and Performance." Harvard Business School Working Paper, No. 23-079, June 2023. (Accepted by Small Group Research. Revised July 2023.)
      • June 2023
      • Article

      When Does Uncertainty Matter? Understanding the Impact of Predictive Uncertainty in ML Assisted Decision Making

      By: Sean McGrath, Parth Mehta, Alexandra Zytek, Isaac Lage and Himabindu Lakkaraju
      As machine learning (ML) models are increasingly being employed to assist human decision makers, it becomes critical to provide these decision makers with relevant inputs which can help them decide if and how to incorporate model predictions into their decision...  View Details
      Keywords: AI and Machine Learning; Decision Making
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      McGrath, Sean, Parth Mehta, Alexandra Zytek, Isaac Lage, and Himabindu Lakkaraju. "When Does Uncertainty Matter? Understanding the Impact of Predictive Uncertainty in ML Assisted Decision Making." Transactions on Machine Learning Research (TMLR) (June 2023).
      • May 2023
      • Case

      Twitter Blues: Does Paid Verification Check Out?

      By: Scott Duke Kominers, Das Narayandas and Kerry Herman
      Elon Musk proposes to offer verification status on Twitter to paying subscribers. Chaos ensues.  View Details
      Keywords: Marketing; Social Media; Technology Industry
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      Kominers, Scott Duke, Das Narayandas, and Kerry Herman. "Twitter Blues: Does Paid Verification Check Out?" Harvard Business School Case 523-106, May 2023.
      • May 2023
      • Case

      IBM’s Ginni Rometty: Leading with Good Power

      By: Hubert Joly, Leonard A. Schlesinger and Stacy Straaberg
      In March 2023, Virginia (Ginni) Rometty published Good Power: Leading Positive Change in our Lives, Work, and World, which covered her personal history and career at International Business Machines (IBM). Rometty was IBM’s ninth and first woman CEO from 2012–2020. Her...  View Details
      Keywords: Transformation; Acquisition; Trends; Gender; Diversity; Education; Training; Values and Beliefs; Profit; Revenue; Leadership Style; Leading Change; Business or Company Management; Negotiation; Corporate Social Responsibility and Impact; Mission and Purpose; Organizational Change and Adaptation; Organizational Culture; Family and Family Relationships; Business and Community Relations; Business and Government Relations; Business and Shareholder Relations; Business and Stakeholder Relations; Personal Characteristics; Perspective; Social Issues; Adaptation; Business Strategy; Commercialization; Competition; Corporate Strategy; Information Infrastructure; Information Technology; Information Technology Industry; Information Technology Industry; Information Technology Industry; Information Technology Industry; Information Technology Industry; New York (city, NY); United States
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      Joly, Hubert, Leonard A. Schlesinger, and Stacy Straaberg. "IBM’s Ginni Rometty: Leading with Good Power." Harvard Business School Case 323-114, May 2023.
      • May 2023
      • Article

      How Do Campaigns Shape Vote Choice? Multi-Country Evidence from 62 Elections and 56 TV Debates

      By: Caroline Le Pennec and Vincent Pons
      We use two-round survey data from 62 elections in 10 countries since 1952 to study the formation of vote choice, beliefs, and policy preferences and assess how televised debates contribute to this process. Our data include 253,000 observations. We compare the...  View Details
      Keywords: Political Debates; TV Debates; Voting; Political Elections; Decision Choices and Conditions
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      Le Pennec, Caroline, and Vincent Pons. "How Do Campaigns Shape Vote Choice? Multi-Country Evidence from 62 Elections and 56 TV Debates." Quarterly Journal of Economics 138 (May 2023): 703–767.
      • April 2023
      • Case

      Twitter: The Freedom to Speak Freely and Be Heard

      By: Randolph B. Cohen, Carin-Isabel Knoop and Mel Martin
      In April 2022, serial entrepreneur Elon Musk announced that he would be interested in purchasing the social media site Twitter for $44 billion. With more than 100 million twitter followers, Musk had historically leveraged the site to engage with the customers of his...  View Details
      Keywords: Values and Beliefs; Acquisition; Social Media; Power and Influence; Technology Industry; Technology Industry; Technology Industry; United States
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      Cohen, Randolph B., Carin-Isabel Knoop, and Mel Martin. "Twitter: The Freedom to Speak Freely and Be Heard." Harvard Business School Case 223-026, April 2023.
      • March 2023 (Revised April 2023)
      • Case

      Independent Governance of Meta’s Social Spaces: The Oversight Board

      By: Jesse M. Shapiro, Natalia Rigol, Benjamin N. Roth and William R. Kerr
      Julie Owono is a member of the Oversight Board, an outside entity with the authority to make binding decisions on tricky moderation questions for Meta's companies. She considers the Board's impact, and its future.  View Details
      Keywords: Business and Government Relations; Social Media; Fairness; Governing and Advisory Boards; Technology Industry; Technology Industry
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      Shapiro, Jesse M., Natalia Rigol, Benjamin N. Roth, and William R. Kerr. "Independent Governance of Meta’s Social Spaces: The Oversight Board." Harvard Business School Case 823-111, March 2023. (Revised April 2023.)
      • March 2023 (Revised June 2023)
      • Case

      Metaverse Wars

      By: Andy Wu, David B. Yoffie and Matt Higgins
      In 2023, the term metaverse — a combination of “meta” and “universe” — had become a catch-all for a diverse set of expectations about online virtual worlds and the future of the internet. To some, the metaverse conjured images of a massive participatory videogame...  View Details
      Keywords: Metaverse; Technology; Virtual Reality; Facebook; Social Media; Technological Innovation; Internet and the Web; Technology Adoption
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      Wu, Andy, David B. Yoffie, and Matt Higgins. "Metaverse Wars." Harvard Business School Case 723-431, March 2023. (Revised June 2023.)
      • 2023
      • Book

      Deeply Responsible Business: A Global History of Values-Driven Leadership

      By: Geoffrey Jones
      Corporate social responsibility has entered the mainstream, but what does it take to run a successful purpose-driven business? This book examines leaders who put values alongside profits to showcase the challenges and upside of deeply responsible business. Should...  View Details
      Keywords: Corporate Responsibility; Business Ecuation; Socially Responsible Investing; Business Education; Ethics; Leadership; Business History; Philanthropy and Charitable Giving; Religion; Social Enterprise; Social Issues; Wealth and Poverty; Corporate Social Responsibility and Impact; Mission and Purpose; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; Green Technology Industry; United Kingdom; Germany; United States; Japan; India; Latin America
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      Jones, Geoffrey. Deeply Responsible Business: A Global History of Values-Driven Leadership. Cambridge, MA: Harvard University Press, 2023.
      • March 2023 (Revised May 2023)
      • Case

      Akamai Technologies: Expanding the Talent Pipeline

      By: Christopher Stanton, Lynda M. Applegate, Allison Ciechanover, Emily Grandjean and Sophie Beck
      In 2022, senior executives of Cambridge, MA-based Akamai Technologies met to consider whether and how to scale a successful technical training program. The program, Akamai Technical Academy (ATA), was launched in 2016 to address a key challenge at Akamai and in the...  View Details
      Keywords: Leading Change; Growth and Development Strategy; Diversity; Talent and Talent Management; Technology Industry; United States; Boston
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      Stanton, Christopher, Lynda M. Applegate, Allison Ciechanover, Emily Grandjean, and Sophie Beck. "Akamai Technologies: Expanding the Talent Pipeline." Harvard Business School Case 823-101, March 2023. (Revised May 2023.)
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