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Publications

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      • November 2022
      • Teaching Note

      Proximie: Using XR Technology to Create Borderless Operating Rooms

      By: Ariel D. Stern, Alpana Thapar and Menna Hassan
      Founded by Nadine Hachach-Haram in 2016, Proximie was a digital medicine platform that used mixed reality and a host of digital audio and visual tools to enable clinicians, proctors, and medical device company personnel to be virtually present in operating rooms (ORs),...  View Details
      Keywords: Technological Innovation; Business Growth and Maturation; Growth and Development Strategy; Corporate Social Responsibility and Impact; Decision Making; Health Industry; Medical Devices and Supplies Industry
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      Stern, Ariel D., Alpana Thapar, and Menna Hassan. "Proximie: Using XR Technology to Create Borderless Operating Rooms." Harvard Business School Teaching Note 623-034, November 2022.
      • Article

      The Translucent Hand of Managed Ecosystems: Engaging Communities for Value Creation and Capture

      By: Elizabeth J. Altman, Frank Nagle and Michael Tushman
      Management research has increasingly explored the domains of ecosystems, platforms, and open/user/distributed innovation—governance structures focused on engaging with external communities. While these research areas include substantial empirical and theoretical work...  View Details
      Keywords: Ecosystems; Platforms; Open And User Innovation Strategy; Capabilities; Governance; Innovation Strategy; Organizational Change and Adaptation; Value Creation
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      Altman, Elizabeth J., Frank Nagle, and Michael Tushman. "The Translucent Hand of Managed Ecosystems: Engaging Communities for Value Creation and Capture." Academy of Management Annals 16, no. 1 (January 2022).
      • December 2021
      • Article

      Left- and Right-Leaning News Organizations Use Negative Emotional Content and Elicit User Engagement Similarly

      By: Andrea Bellovary, Nathaniel Young and Amit Goldenberg
      Negativity has historically dominated news content; however, little research has examined how news organizations use affect on social media, where content is generally positive. In the current project we ask a few questions: Do news organizations on Twitter use...  View Details
      Keywords: Negative Press; Twitter; Political Affiliation; Affect; News; Media; Internet and the Web; Emotions; Perspective; Social Media
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      Bellovary, Andrea, Nathaniel Young, and Amit Goldenberg. "Left- and Right-Leaning News Organizations Use Negative Emotional Content and Elicit User Engagement Similarly." Affective Science 2, no. 4 (December 2021): 391–396.
      • 30 Nov 2021
      • Interview

      TikTok: Super App or Supernova?

      By: Jeffrey F. Rayport and Brian Kenny
      TikTok’s parent company, ByteDance, was launched in 2012 around the simple idea of helping users entertain themselves on their smartphones while on the Beijing Subway. By May 2020, TikTok operated in 155 countries and had roughly 1 billion monthly active users, placing...  View Details
      Keywords: Apps; Artificial Intelligence; Business Startups; Mobile and Wireless Technology; Business Model; Digital Platforms; Growth and Development Strategy; AI and Machine Learning; Social Media
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      "TikTok: Super App or Supernova?" Cold Call (podcast), Harvard Business Review Group, November 30, 2021. (Interviewed by Brian Kenny.)
      • 2021
      • Working Paper

      Does Social Media Cause Polarization? Evidence from Access to Twitter Echo Chambers during the 2019 Argentine Presidential Debate

      By: Rafael Di Tella, Ramiro H. Gálvez and Ernesto Schargrodsky
      We study how two groups, those inside vs. those outside echo chambers, react to a political event when we vary social media status (Twitter). Our treatments mimic two strategies often suggested as a way to limit polarization on social media: they expose people to...  View Details
      Keywords: Political Polarization; Political Elections; Internet and the Web; Attitudes; Social Media; Argentina
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      Di Tella, Rafael, Ramiro H. Gálvez, and Ernesto Schargrodsky. "Does Social Media Cause Polarization? Evidence from Access to Twitter Echo Chambers during the 2019 Argentine Presidential Debate." NBER Working Paper Series, No. 29458, November 2021.
      • May 2021
      • Article

      Ideology and Composition Among an Online Crowd: Evidence From Wikipedians

      By: Shane Greenstein, Grace Gu and Feng Zhu
      Online communities bring together participants from diverse backgrounds and often face challenges in aggregating their opinions. We infer lessons from the experience of individual contributors to Wikipedia articles about U.S. politics. We identify two factors that...  View Details
      Keywords: User Segregation; Online Community; Contested Knowledge; Collective Intelligence; Ideology; Bias; Wikipedia; Knowledge Sharing; Perspective; Government and Politics
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      Greenstein, Shane, Grace Gu, and Feng Zhu. "Ideology and Composition Among an Online Crowd: Evidence From Wikipedians." Management Science 67, no. 5 (May 2021): 3067–3086.
      • April 2021
      • Case

      Social Media War 2021: Snap vs. Facebook vs. TikTok

      By: David B. Yoffie and Daniel Fisher
      This case explores the competitive war between Snap, Facebook, and TikTok in 2021. The strategic focus is on Snapchat: how should it respond to the emergence of TikTok, and how should it compete with the dominant competitor in its space—Facebook. The case examines...  View Details
      Keywords: Strategy Development; Competitor Analysis; Strategy; Network Effects; Competitive Strategy; Decision Choices and Conditions; Social Media
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      Yoffie, David B., and Daniel Fisher. "Social Media War 2021: Snap vs. Facebook vs. TikTok." Harvard Business School Case 721-443, April 2021.
      • January 2021 (Revised August 2021)
      • Case

      ByteDance: TikTok and the Trials of Going Viral

      By: William C. Kirby and John P. McHugh
      In 2020, TikTok became the most valuable start-up ever. The short-form, video-sharing social media platform emerged as the crown jewel of the Chinese technology firm ByteDance, realizing 850 million monthly users and an estimated worth of $180 billion. However, a...  View Details
      Keywords: China; Technology; Startup; Start-up; International Strategy; Global Strategy And Leadership; Innovation; Political Risk; Regulations; Trump; Foreign Policy; Foreign Investment; Chinese Internet Market; Global Strategy; Crisis Management; Risk and Uncertainty; Entrepreneurship; Globalized Economies and Regions; Government Legislation; Innovation and Management; Governing Rules, Regulations, and Reforms; Internet and the Web; Social Media; Technology Industry; China; United States
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      Kirby, William C., and John P. McHugh. "ByteDance: TikTok and the Trials of Going Viral." Harvard Business School Case 321-110, January 2021. (Revised August 2021.)
      • January 2021 (Revised October 2021)
      • Case

      eToro: Building the World's Largest Social Trading Network

      By: Elie Ofek and Danielle Golan
      Social trading platform eToro was preparing for the launch of its expanded offering in the U.S. The company faced critical decisions regarding product-market fit, go-to-market strategy, positioning and monetization. Moreover, it faced the challenge of how best to make...  View Details
      Keywords: Social Trading Platform; Investment; Social and Collaborative Networks; Marketing Strategy; Expansion; Digital Platforms
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      Ofek, Elie, and Danielle Golan. "eToro: Building the World's Largest Social Trading Network." Harvard Business School Case 521-057, January 2021. (Revised October 2021.)
      • November–December 2020
      • Article

      Does Gender Matter? The Effect of Management Responses on Reviewing Behavior

      By: Davide Proserpio, Isamar Troncoso and Francesca Valsesia
      We study the effect of management responses on the reviewing behavior of self-identified female and male reviewers. Using data from Tripadvisor, we show that after hotels begin to respond to reviews, the probability that a negative review comes from a self-identified...  View Details
      Keywords: Word Of Mouth; Online Reviews; Management Responses; E-commerce; Gender; Prejudice and Bias; Digital Platforms; Customers
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      Proserpio, Davide, Isamar Troncoso, and Francesca Valsesia. "Does Gender Matter? The Effect of Management Responses on Reviewing Behavior." Special Issue on Marketing Science and Field Experiments. Marketing Science 39, no. 6 (November–December 2020).
      • October 2020
      • Supplement

      OpenIDEO (B)

      By: Karim R. Lakhani, Anne-Laure Fayard, Manos Gkeredakis and Jin Hyun Paik
      In the midst of 2020, as the coronavirus pandemic was unfolding, OpenIDEO—an online open innovation platform focused on design-driven solutions to social issues—rapidly launched a new challenge to improve access to health information, empower communities to stay safe...  View Details
      Keywords: Innovation Competitions; IDEO; Contests; Contest Design; Platforms And Ecosystems; Open Innovation; Open And User Innovation Strategy; Diversity; Design; Social Entrepreneurship; Global Range; Collaborative Innovation and Invention; Innovation Strategy; Organizational Change and Adaptation; Social and Collaborative Networks; Health Pandemics; Health; Information; Business and Community Relations; Digital Platforms
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      Lakhani, Karim R., Anne-Laure Fayard, Manos Gkeredakis, and Jin Hyun Paik. "OpenIDEO (B)." Harvard Business School Supplement 621-058, October 2020.
      • 2021
      • Working Paper

      Does Who Helps You Impact Your Behavior? Examining the Effects of Social Interactions on Knowledge Sharing in Online Communities

      By: Eunkwang Seo, Frank Nagle and Sonali K. Shah
      Online communities provide vibrant forums for knowledge sharing and are increasingly being used by individual users and firms to source knowledge and create and capture value. Yet, there is much to learn about how the actions of community members affect other members,...  View Details
      Keywords: Online Communities; Knowledge Development; Innovation; Reciprocity; Knowledge Sharing; Networks; Innovation and Invention; Interpersonal Communication
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      Seo, Eunkwang, Frank Nagle, and Sonali K. Shah. "Does Who Helps You Impact Your Behavior? Examining the Effects of Social Interactions on Knowledge Sharing in Online Communities." Harvard Business School Working Paper, No. 21-026, August 2020. (Revised July 2021.)
      • June 2020
      • Teaching Note

      Understanding the Brand Equity of Nestlé Crunch Bar

      By: Jill Avery and Gerald Zaltman
      Teaching Note for HBS Case Nos. 519-061 and 519-062. In early 2018, Nestlé announced the sale of its U.S. candy-making division and a select collection of twenty of its confectionery brands, including the Nestlé Crunch Bar, to Ferrero SpA for $2.8 billion. Under the...  View Details
      Keywords: Brand Management; Brand Storytelling; Brand Equity; Market Research; Qualitative Methods; Marketing; Brands and Branding; Marketing Communications; Consumer Behavior; Marketing Strategy; Food and Beverage Industry
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      Avery, Jill, and Gerald Zaltman. "Understanding the Brand Equity of Nestlé Crunch Bar." Harvard Business School Teaching Note 520-124, June 2020.
      • 2020
      • Article

      Why Do User Communities Matter for Strategy?

      By: Sonali K. Shah and Frank Nagle
      In this essay, we explore how strategic management research and practice could benefit from considering the benefits and challenges obtainable through working with user communities. User communities represent a unique organizing structure for the exchange of ideas and...  View Details
      Keywords: User Communities; Innovation; Open Source; Collaboration; Cooperative Strategy; Knowledge Sharing; Strategy; Collaborative Innovation and Invention
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      Shah, Sonali K., and Frank Nagle. "Why Do User Communities Matter for Strategy?" Special Issue on Open Innovation. Strategic Management Review 1, no. 2 (2020): 305–353.
      • April 2020
      • Case

      Ment.io: Knowledge Analytics for Team Decision Making

      By: Yael Grushka-Cockayne, Jeffrey T. Polzer, Susie L. Ma and Shlomi Pasternak
      Ment.io was a software platform that used proprietary data analytics technology to help organizations make informed and transparent decisions based on team input. Ment was born out of founder Joab Rosenberg’s frustration that, while organizations collected ever...  View Details
      Keywords: Decision Making; Information Technology; Knowledge; Knowledge Acquisition; Knowledge Management; Operations; Information Management; Product; Product Development; Entrepreneurship; Business Startups; Communications Industry; Communications Industry; Communications Industry; Communications Industry; Middle East; Israel
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      Grushka-Cockayne, Yael, Jeffrey T. Polzer, Susie L. Ma, and Shlomi Pasternak. "Ment.io: Knowledge Analytics for Team Decision Making." Harvard Business School Case 420-078, April 2020.
      • February 2020
      • Case

      Drift: The First Sales Hire

      By: Mark Roberge
      David Cancel and Elias Torres, the co-founders of Drift, scaled their business to thousands of users and hundreds of thousands in revenue. However, they were falling short of the annual revenue target they communicated to the board of directors. Having scaled the...  View Details
      Keywords: Entrepreneurship; Growth Management; Salesforce Management; Selection and Staffing
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      Roberge, Mark. "Drift: The First Sales Hire." Harvard Business School Case 820-103, February 2020.
      • 2020
      • Book

      Think Outside the Building: How Advanced Leaders Can Change the World One Smart Innovation at a Time

      By: Rosabeth Moss Kanter
      Over a decade ago, renowned innovation expert Rosabeth Moss Kanter co-founded and then directed Harvard’s Advanced Leadership Initiative. Her breakthrough work with hundreds of successful professionals and executives, as well as aspiring young entrepreneurs, identifies...  View Details
      Keywords: Leaders; Advanced Leadership; Advanced Leadership Initiative; Community; Change Leadership; Innovation; Problem Solving; Cross-sector Collaboration; Institutional Change; Leadership; Change; Leading Change; Communication; Innovation Leadership; Collaborative Innovation and Invention; Organizational Change and Adaptation; Business and Community Relations; Civil Society or Community
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      Kanter, Rosabeth Moss. Think Outside the Building: How Advanced Leaders Can Change the World One Smart Innovation at a Time. New York: PublicAffairs, 2020.
      • December 2019 (Revised February 2020)
      • Case

      Facebook Faces the Regulators

      By: Debora L. Spar
      In the fall of 2019, Facebook and its CEO Mark Zuckerberg are facing increased scrutiny on multiple fronts. Regulators from around the globe are threatening the company with punitive measures. Users are organizing against it. But there is little consensus around what,...  View Details
      Keywords: Facebook; Regulation; Media; Internet and the Web; Governance; Governing Rules, Regulations, and Reforms; Business and Government Relations; Social Media; Europe
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      Spar, Debora L. "Facebook Faces the Regulators." Harvard Business School Case 720-019, December 2019. (Revised February 2020.)
      • December 2019
      • Case

      Steemit: A New Social Media?

      By: Ramon Casadesus-Masanell, Alexander White and Karen Elterman
      This case discusses the alternative social media site Steemit, including the principles it was founded on in 2016 and the challenges it faced in 2019. Steemit was a blockchain-based platform that aimed to differentiate itself from other social media companies by...  View Details
      Keywords: Decision Making; Decisions; Voting; Economic Systems; Money; Fairness; Values and Beliefs; Goals and Objectives; Digital Platforms; Product Design; Design; Problems and Challenges; Network Effects; Motivation and Incentives; Social and Collaborative Networks; Reputation; Business Strategy; Competition; Internet and the Web; Social Media; Entertainment and Recreation Industry; United States; Virginia; New York (city, NY)
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      Casadesus-Masanell, Ramon, Alexander White, and Karen Elterman. "Steemit: A New Social Media?" Harvard Business School Case 720-428, December 2019.
      • September 2019 (Revised February 2020)
      • Teaching Note

      Fishbowl: Scaling Up

      By: Leslie K. John
      Email mking@hbs.edu for a courtesy copy.

      Teaching Note for HBS No. 919-013. Fishbowl is a social media app that allows professionals to connect with other relevant professionals both within their company and...  View Details
      Keywords: Communication Technologies; Customer Value; Value Chain; Interpersonal Communication; Talent and Talent Management; Customer Value and Value Chain; Entrepreneurship; Business Model; Growth and Development Strategy; Marketing Strategy; Advertising; Product Marketing; Digital Platforms; Consumer Behavior; Network Effects; Emotions; Motivation and Incentives; Trust; Applications and Software; Technology Adoption; Digital Platforms; Communications Industry; Communications Industry; Communications Industry; Communications Industry; Communications Industry; United States
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      John, Leslie K. "Fishbowl: Scaling Up." Harvard Business School Teaching Note 920-022, September 2019. (Revised February 2020.) (Email mking@hbs.edu for a courtesy copy.)
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