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      • April 2021
      • Background Note

      HEAD vs. LEAD: Disruptions Originating at the High- vs. Low-End of the Market

      By: Elie Ofek, Olivier Toubia and Didier Toubia
      Twenty five years after it was initially proposed, Clay Christensen’s theory of disruptive innovation continues to be a major reference for entrepreneurs, corporate innovators, and investors. However, the term “disruptive innovation” is often used in ways and contexts... View Details
      Keywords: Market Entry; New Product Management; Targeting; Disruptive Innovation; Market Entry and Exit; Entrepreneurship; Product; Management; Innovation Strategy; Technology
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      Ofek, Elie, Olivier Toubia, and Didier Toubia. "HEAD vs. LEAD: Disruptions Originating at the High- vs. Low-End of the Market." Harvard Business School Background Note 521-104, April 2021.
      • April 2021
      • Case

      The Clean Network and the Future of Global Technology Competition

      By: Meg Rithmire and Courtney Han
      In May 2019, amidst of an ever-worsening trade war between the U.S. and China, President Donald Trump added Chinese telecom giant Huawei to the Department of Commerce’s “entity list,” essentially forbidding American firms from doing business with the company. Huawei,... View Details
      Keywords: 5G; Telecommunications; Information Technology; Internet and the Web; Mobile and Wireless Technology; Trade; Competition; International Relations; Telecommunications Industry; China
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      Rithmire, Meg, and Courtney Han. "The Clean Network and the Future of Global Technology Competition." Harvard Business School Case 721-045, April 2021.
      • March 2021
      • Supplement

      Facebook's Libra (B): The Privatization of Money?

      By: Marco Di Maggio, Ethan Rouen, George Serafeim and Amy Klopfenstein
      This case addresses the events that took place following the conclusion of the case “Facebook’s Libra (A): The Privatization of Money?” In October 2019, several months after the conclusion of the A case, multiple members of the Libra Association announced that they... View Details
      Keywords: Blockchain; Cryptocurrency; Accounting; Economics; Money; Governance; Governing and Advisory Boards; Policy; Governance Controls; Innovation and Invention; Innovation Strategy; Technological Innovation; Disruptive Innovation; Information Technology; Digital Platforms; Information Infrastructure; Technology Industry; Europe; Switzerland; United States; California
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      Di Maggio, Marco, Ethan Rouen, George Serafeim, and Amy Klopfenstein. "Facebook's Libra (B): The Privatization of Money?" Harvard Business School Supplement 121-055, March 2021.
      • March 2021 (Revised January 2023)
      • Case

      The Trouble with TCE

      By: Vincent Pons, Rafael Di Tella and Galit Goldstein
      Trichloroethylene, or TCE, was a chemical used by tens of thousands of businesses in the United States. It was an affordable tool for many. Yet, TCE had been associated with important health risks, including cancer and autoimmune disease. TCE potentially posed other... View Details
      Keywords: Trichloroethylene; Toxicity; Lobbying; Chemicals; Health Disorders; Governing Rules, Regulations, and Reforms; Policy; Ethics; Business and Government Relations; Chemical Industry; United States
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      Pons, Vincent, Rafael Di Tella, and Galit Goldstein. "The Trouble with TCE." Harvard Business School Case 721-031, March 2021. (Revised January 2023.)
      • 2021
      • Chapter

      Dis-Atlanticism: The West in an Era of Global Fragmentation

      By: Rawi Abdelal and Ulrich Krotz
      BOOK ABSTRACT: Is the EU a Success or a Failure? Should It Stay or Should It Go? Britain and the EU. The Big Waste or Essential to Feed Europe? The Common Agricultural Policy. Observers of the European Union could be forgiven in thinking that since its inception the EU... View Details
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      Abdelal, Rawi, and Ulrich Krotz. "Dis-Atlanticism: The West in an Era of Global Fragmentation." In Key Controversies in European Integration. 3rd edition, edited by Hubert Zimmerman and Andreas Dür, 211–220. London: Red Globe Press, 2021.
      • February 2021 (Revised March 2022)
      • Case

      TikTok in 2020: Super App or Supernova?

      By: Jeffrey F. Rayport, Dan Maher and Dan O'Brien
      TikTok’s parent company, ByteDance, was launched in 2012 around a simple idea – helping users entertain themselves on their smartphones while on the Beijing Subway. In less than a decade, it had become one of the world’s most valuable private companies, with investors... View Details
      Keywords: Business Model; Business Startups; Business Organization; Change Management; Disruption; Cross-Cultural and Cross-Border Issues; Global Strategy; Health Pandemics; Innovation Strategy; Growth and Development Strategy; Growth Management; Brands and Branding; Marketing Strategy; Marketing Channels; Network Effects; Digital Platforms; Product Design; Product Development; Partners and Partnerships; Opportunities; Social Issues; Mobile and Wireless Technology; Internet and the Web; Value Creation; United States; China
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      Rayport, Jeffrey F., Dan Maher, and Dan O'Brien. "TikTok in 2020: Super App or Supernova?" Harvard Business School Case 821-087, February 2021. (Revised March 2022.)
      • January 2021
      • Case

      Digital Transformation 2.0: CEO Elie Girard at Atos

      By: Tsedal Neeley and James Barnett
      Elie Girard has taken the helm as CEO of Atos—multinational IT giant—to lead the company into the next era of digital transformation. Noticing that customers’ digital needs were evolving to become even more specialized and global in scope, he made a bold first step as... View Details
      Keywords: Restructuring; Change; Leadership; Technology Industry
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      Neeley, Tsedal, and James Barnett. "Digital Transformation 2.0: CEO Elie Girard at Atos." Harvard Business School Case 421-024, January 2021.
      • December 2020 (Revised April 2021)
      • Technical Note

      Tales of Life-changing Innovations: Controversial Blockbuster | Note on the Development of Prozac (through 1999)

      By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
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      Bhidé, Amar, Srikant M. Datar, and Katherine Stebbins. "Tales of Life-changing Innovations: Controversial Blockbuster | Note on the Development of Prozac (through 1999)." Harvard Business School Technical Note 321-057, December 2020. (Revised April 2021.)
      • November 2020 (Revised January 2021)
      • Supplement

      Bridge International Academies in 2020: Battling Headwinds to Solve Africa's Education Problems

      By: Caroline M. Elkins, Tarun Khanna and Joyce J. Kim
      By 2020, Bridge International Academies and its "school in a box" model had achieved great scale. By leveraging digital technology and public-private partnerships, they had reached one million children across Africa and India through hundreds of schools. However, the... View Details
      Keywords: Entrepreneurship In Africa; Entrepreneurship In Emerging Markets; Bottom Of The Pyramid; Education In Africa; Scale; Partnerships; Education; Entrepreneurship; Emerging Markets; Health Pandemics; Problems and Challenges; Education Industry; Africa
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      Elkins, Caroline M., Tarun Khanna, and Joyce J. Kim. "Bridge International Academies in 2020: Battling Headwinds to Solve Africa's Education Problems." Harvard Business School Supplement 521-048, November 2020. (Revised January 2021.)
      • Fall 2020
      • Article

      Christo and Jeanne‐Claude: The Negotiation of Art and Vice Versa

      By: Michael A. Wheeler
      Over the past two decades the Program on Negotiation at Harvard Law School (PON) has named thirteen people as Great Negotiators. The project, directed by my colleague Jim Sebenius, has given us the opportunity to commend our honorees’ outstanding work and to learn from... View Details
      Keywords: Art; Negotiation; Arts
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      Wheeler, Michael A. "Christo and Jeanne‐Claude: The Negotiation of Art and Vice Versa." Negotiation Journal 36, no. 4 (Fall 2020): 471–487.
      • September 2020
      • Case

      Uber at a Crossroads (2017)

      By: Ramon Casadesus-Masanell and Karen Elterman
      This case describes the history of Uber, its business model—including the ways it differed from that of the traditional taxi industry—and its competition with Lyft. The case is set in 2017, a year in which Uber was plagued by even more scandals than usual, though its... View Details
      Keywords: Business Startups; Business Model; Customer Satisfaction; Fairness; Values and Beliefs; Price; Profit; Revenue; Investment; Government Legislation; Business History; Compensation and Benefits; Resignation and Termination; Employment; Wages; Lawfulness; Leadership Style; Leading Change; Management Style; Market Entry and Exit; Digital Platforms; Product Design; Organizational Culture; Problems and Challenges; Attitudes; Strategy; Competitive Strategy; Expansion; Transportation Networks; Mobile and Wireless Technology; Valuation; Transportation Industry; Technology Industry; United States
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      Casadesus-Masanell, Ramon, and Karen Elterman. "Uber at a Crossroads (2017)." Harvard Business School Case 721-376, September 2020.
      • July 2020 (Revised March 2021)
      • Case

      Board Diversity at Amazon (A)

      By: Aiyesha Dey and Anu Atluru
      The case revolves around the decisions that the board of directors of ecommerce giant Amazon would need to make in response to the controversial letter that activist shareholder CtW investment group sent to Amazon’s shareholders, urging them to vote in favor of a... View Details
      Keywords: Board Of Directors; Boards; Governing and Advisory Boards; Diversity; Gender; Race; United States
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      Dey, Aiyesha, and Anu Atluru. "Board Diversity at Amazon (A)." Harvard Business School Case 121-012, July 2020. (Revised March 2021.)
      • January 2020 (Revised July 2020)
      • Case

      BlackRock: Linking Purpose to Profit

      By: Aiyesha Dey
      The case revolves around the actions that Barbara Novick, co-founder and Vice-Chair of Blackrock, and Michelle Edkins, Global Head of Investment Stewardship, would need to take in response to the controversial CEO letters from Laurence (Larry) Fink, Chairman and CEO of... View Details
      Keywords: Boards Of Directors; Institutional Investors; Disclosure; Transparency; Corporate Purpose; Corporate Profits; ESG; ESG Disclosure Metrics; Corporate Sustainability; Engagement Strategy Of Institutions; Stewardship Role Of Institutions; BlackRock; Corporate Governance; Governing and Advisory Boards; Institutional Investing; Accounting; Corporate Disclosure; Mission and Purpose; Profit; Environmental Sustainability; Climate Change; Diversity; Corporate Accountability; Financial Services Industry; United States
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      Deshpandé, Rohit, Aiyesha Dey, and George Serafeim. "BlackRock: Linking Purpose to Profit." Harvard Business School Case 120-042, January 2020. (Revised July 2020.)
      • January 2020
      • Supplement

      Brexit: A Withdrawal Agreement? — Boris Johnson

      By: Laura Alfaro and Sarah Jeong
      The UK was due to leave the EU in March 2019 after a referendum vote in June 2016. Following additional extensions and multiple failed attempts to reach an agreement with Parliament, Theresa May stepped down as Conservative Party leader and was replaced by Boris... View Details
      Keywords: Brexit; Government and Politics; International Relations; United Kingdom; European Union
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      Alfaro, Laura, and Sarah Jeong. "Brexit: A Withdrawal Agreement? — Boris Johnson." Harvard Business School Supplement 320-081, January 2020.
      • October 2019
      • Teaching Note

      Google: To TVC or Not to TVC?

      By: William R. Kerr and Carl Kreitzberg
      A Teaching Note for the "Google: To TVC or Not to TVC?" case study (HBS#820-048). The case discusses recent controversies regarding how Google manages temporary help agency workers, workers supplied by vendors, and independent contractors ("TVCs"). Such TVCs reportedly... View Details
      Keywords: Workforce; Independent Contractors; Talent Management; Silicon Valley; Google; Employee Attitude; Employee Compensation; Employee Engagement; Future Of Work; Innovation; Innovation And Strategy; Inequality; Talent Acquisition; Labor; Talent and Talent Management; Strategy; Technological Innovation; Employees; Attitudes; Innovation and Management; Human Resources; Information Technology Industry; United States; San Francisco
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      Kerr, William R., and Carl Kreitzberg. "Google: To TVC or Not to TVC?" Harvard Business School Teaching Note 820-049, October 2019.
      • September 19, 2019
      • Article

      Walmart CEO’s Decision on Guns Is the Kind of Corporate Courage We Need

      By: Rosabeth Moss Kanter
      Corporate courage is in short supply. CEOs generally avoid controversial public issues lest disgruntled groups strike back. That’s why Walmart’s actions to limit ammunition sales and advocate for new gun safety legislation mark a significant milestone. CEO Doug... View Details
      Keywords: Gun Policy; Gun Violence; Social Issues; Corporate Social Responsibility and Impact; Leadership; Change; Policy
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      Kanter, Rosabeth Moss. "Walmart CEO’s Decision on Guns Is the Kind of Corporate Courage We Need." CNN.com (September 19, 2019).
      • 2024
      • Working Paper

      Coronary Artery Bypass Grafting—Impossible to Routine: Case Histories of Transformational Advances

      By: Amar Bhidé, Srikant M. Datar and Fabio Villa
      We describe how Coronary Artery Bypass Grafting (CABG, or more popularly, “bypass”) operations revolutionized the treatment of coronary disease (that can produce fatal heart attacks and debilitating angina). Specifically, we chronicle the: 1) development of the... View Details
      Keywords: Health Care and Treatment; Technological Innovation; Innovation Strategy; Technology Adoption; Collaborative Innovation and Invention; Innovation and Invention; Governing Rules, Regulations, and Reforms
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      Bhidé, Amar, Srikant M. Datar, and Fabio Villa. "Coronary Artery Bypass Grafting—Impossible to Routine: Case Histories of Transformational Advances." Harvard Business School Working Paper, No. 20-010, July 2019. (Revised May 2024.)
      • June 6, 2019
      • Article

      Tesla's Advantage? 'It's the Software, Stupid.'

      By: Lou Shipley
      Without question, entrepreneur, innovator and engineer Elon Musk is a controversial figure, but there is no disputing that his first-to-market Tesla electric vehicles are not only revolutionizing the high-end driving experience, but also disrupting the automobile... View Details
      Keywords: Tesla; Elon Musk; Autonomous Vehicle; Transportation; Software; Technology; Disruption; Auto Industry
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      Shipley, Lou. "Tesla's Advantage? 'It's the Software, Stupid.'." The Hill (June 6, 2019).
      • Article

      The Right and Wrong Way to Do ‘CEO Activism’

      By: Aaron K Chatterji and Michael W. Toffel
      CEO activism—where leaders take public stands on controversial social and political issues that aren’t related to their company’s bottom line—has become increasingly common. CEO activism has attracted favorable media attention, but has also resulted in backlash and... View Details
      Keywords: Leadership; Social Issues; Communication Strategy; Performance Effectiveness
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      Chatterji, Aaron K., and Michael W. Toffel. "The Right and Wrong Way to Do ‘CEO Activism’." Wall Street Journal (February 22, 2019).
      • January 2019 (Revised February 2020)
      • Case

      Jay Gould, 'The Most Hated Man in America'

      By: Tom Nicholas, John Masko and Matthew G. Preble
      Railroad magnate Jay Gould, a controversial figure in the history of U.S. capitalism, was a disruptive influence on an industry that had previously relied on formal and informal agreements to move traffic long distances across lines operated by different companies.... View Details
      Keywords: Railroads; Gould; Vanderbilt; Rail Transportation; History; Consolidation; Governing Rules, Regulations, and Reforms; Competition; Strategy; Rail Industry; United States
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      Nicholas, Tom, John Masko, and Matthew G. Preble. "Jay Gould, 'The Most Hated Man in America'." Harvard Business School Case 819-006, January 2019. (Revised February 2020.)
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