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    • Faculty Publications  (154)

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    • All HBS Web  (5,871)
      • Faculty Publications  (154)

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      eToro: Building the World's Largest Social Trading Network
      Proprietary vs. Open Two-Sided Platforms and Social Efficiency
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      • 2021
      • Working Paper

      Does Observability Amplify Sensitivity to Moral Frames? Evaluating a Reputation-Based Account of Moral Preferences

      By: Valerio Capraro, Jillian J. Jordan and Ben Tappin
      A growing body of work suggests that people are sensitive to moral framing in economic games involving prosociality, suggesting that people hold moral preferences for doing the “right thing”. What gives rise to these preferences? Here, we evaluate the explanatory power...  View Details
      Keywords: Moral Preferences; Moral Frames; Observability; Trustworthiness; Trust Game; Trade-off Game; Moral Sensibility; Reputation; Behavior; Trust
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      Capraro, Valerio, Jillian J. Jordan, and Ben Tappin. "Does Observability Amplify Sensitivity to Moral Frames? Evaluating a Reputation-Based Account of Moral Preferences." Working Paper, January 2021.
      • 2021
      • Article

      Does Observability Amplify Sensitivity to Moral Frames? Evaluating a Reputation-Based Account of Moral Preferences

      By: Valerio Capraro, Jillian J. Jordan and Ben Tappin
      A growing body of work suggests that people are sensitive to moral framing in economic games involving prosociality, suggesting that people hold moral preferences for doing the “right thing”. What gives rise to these preferences? Here, we evaluate the explanatory power...  View Details
      Keywords: Moral Preferences; Moral Frames; Observability; Trustworthiness; Trust Game; Trade-off Game; Moral Sensibility; Reputation; Behavior; Trust
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      Capraro, Valerio, Jillian J. Jordan, and Ben Tappin. "Does Observability Amplify Sensitivity to Moral Frames? Evaluating a Reputation-Based Account of Moral Preferences." Journal of Experimental Social Psychology 94 (May 2021).
      • March 2021
      • Teaching Note

      eToro: Building the World’s Largest Social Trading Network

      By: Elie Ofek
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      Ofek, Elie. "eToro: Building the World’s Largest Social Trading Network." Harvard Business School Teaching Note 521-088, March 2021.
      • February 2021 (Revised March 2021)
      • Case

      Shopify: The Conquest for Chinese E-Commerce

      By: Jeffrey F. Rayport, Avani Patel, Ariel Yang and Samantha Lin
      In mid-2020, Tobias Lütke, CEO of Shopify, faced a critical decision on how to time a potential move into the China market. Over the prior 15 years, his Canadian software-as-a-service company had grown from a small e-commerce solutions provider to a full-service...  View Details
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      Rayport, Jeffrey F., Avani Patel, Ariel Yang, and Samantha Lin. "Shopify: The Conquest for Chinese E-Commerce." Harvard Business School Case 821-081, February 2021. (Revised March 2021.)
      • 2021
      • Working Paper

      Assessing the Strength of Network Effects in Social Network Platforms

      By: Marco Iansiti
      Network effects have risen to the forefront of platform competition discussions (e.g. the House Judiciary investigation of competition in digital markets, claiming that Facebook, for example, is entrenched due to strong network effects and high switching costs). While...  View Details
      Keywords: Social Networks; Platform Competition; Network Effects; Competition
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      Iansiti, Marco. "Assessing the Strength of Network Effects in Social Network Platforms." Harvard Business School Working Paper, No. 21-086, February 2021.
      • February 2021
      • Article

      Platform Diffusion at Temporary Gatherings: Social Coordination and Ecosystem Emergence

      By: Tommy Pan Fang, Andy Wu and David R. Clough
      Software platforms create value by cultivating an ecosystem of complementary products and services. Existing explanations for how a prospective complementor chooses platforms to join assume the complementor has rich information about the range of available platforms....  View Details
      Keywords: Innovation Ecosystems; Technology Diffusion; Hackathon; Contagion; Software Applications; Software Development; Software Engineering; Technology Strategy; Technology Adoption; Technological Innovation; Technology Platform; Technology Networks; Innovation Strategy; Multi-Sided Platforms; Network Effects; Software; Information Technology; Technology Industry; Computer Industry; Information Technology Industry; Video Game Industry
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      Fang, Tommy Pan, Andy Wu, and David R. Clough. "Platform Diffusion at Temporary Gatherings: Social Coordination and Ecosystem Emergence." Art. 1. Strategic Management Journal 42, no. 2 (February 2021): 233–272. (Lead article.)
      • January 2021 (Revised March 2021)
      • Case

      THE YES: Reimagining the Future of E-Commerce with Artificial Intelligence (AI)

      By: Jill Avery, Ayelet Israeli and Emma von Maur
      THE YES, a multi-brand shopping app launched in May 2020 offered a new type of buying experience for women’s fashion, driven by a sophisticated algorithm that used data science and machine learning to create and deliver a personalized store for every shopper, based on...  View Details
      Keywords: Data; Data Analytics; Artificial Intelligence; Ai; Ai Algorithms; Ai Creativity; Fashion; Retail; Retail Analytics; Digital Marketing; E-commerce; E-commerce Strategy; Platform; Platforms; Big Data; Preference Elicitation; Preference Prediction; Predictive Analytics; App Development; "marketing Analytics"; Advertising; Mobile App; Mobile Marketing; Apparel; Referral Rewards; Referrals; Female Ceo; Female Entrepreneur; Female Protagonist; Data and Data Sets; Analysis; Creativity; Marketing Strategy; Brands and Branding; Consumer Behavior; Demand and Consumers; Forecasting and Prediction; Marketing Channels; Online Advertising; Online Technology; Mobile Technology; Fashion Industry; Retail Industry; Apparel and Accessories Industry; Consumer Products Industry; United States
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      Avery, Jill, Ayelet Israeli, and Emma von Maur. "THE YES: Reimagining the Future of E-Commerce with Artificial Intelligence (AI)." Harvard Business School Case 521-070, January 2021. (Revised March 2021.)
      • January 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
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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.
      • Winter 2021
      • Article

      Dealmaking Disrupted: The Unexplored Power of Social Media in Negotiation

      By: James K. Sebenius, Ben Cook, David A. Lax, Isaac Silberberg and Paul Levy
      While social media has had profound effects in many realms, the theory and practice of negotiation have remained relatively untouched by this potent phenomenon. In this article, we survey existing research in this area and develop a broader framework for understanding...  View Details
      Keywords: Social Media; Bargaining; 3d Negotiation; Negotiation; Conflict and Resolution
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      Sebenius, James K., Ben Cook, David A. Lax, Isaac Silberberg, and Paul Levy. "Dealmaking Disrupted: The Unexplored Power of Social Media in Negotiation." Special Issue on Artificial Intelligence, Technology, and Negotiation. Negotiation Journal 37, no. 1 (Winter 2021): 97–141.
      • 2020
      • Working Paper

      Learning with People Like Me: The Role of Age-Similar Peers on Online Business Course Engagement

      By: Laura R. Huber, Jacqueline N. Lane and Karim R. Lakhani
      Over the past decade, online learning has witnessed tremendous growth in popularity due to its ability to reach diverse participants in a scalable manner. However, one primary area of concern is the low course completion rates in digital platform-based learning,...  View Details
      Keywords: Homophily; Online Courses; Social Engagement; Business Skills Training; Business Education; Online Technology; Knowledge Sharing; Age
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      Huber, Laura R., Jacqueline N. Lane, and Karim R. Lakhani. "Learning with People Like Me: The Role of Age-Similar Peers on Online Business Course Engagement." Harvard Business School Working Paper, No. 21-072, December 2020.
      • 2020
      • Working Paper

      Dog Eat Dog: Measuring Network Effects Using a Digital Platform Merger

      By: Chiara Farronato, Jessica Fong and Andrey Fradkin
      Digital platforms are increasingly the subject of regulatory scrutiny. In comparison to multiple competitors, a single platform may increase consumer welfare if network effects are large or may decrease welfare due to higher prices or reduction in platform variety. We...  View Details
      Keywords: Digital Platforms; Market Platforms; Network Effects; Measurement and Metrics
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      Farronato, Chiara, Jessica Fong, and Andrey Fradkin. "Dog Eat Dog: Measuring Network Effects Using a Digital Platform Merger." NBER Working Paper Series, No. 28047, November 2020.
      • November 2020
      • Case

      Guild Education: Unlocking Opportunity for America's Workforce

      By: William A. Sahlman, Michael D. Smith, Nicole Tempest Keller and Alpana Thapar
      Founded in 2015, Guild Education is an education marketplace that connects employers and universities to provide employees with ‘education as a benefit.’ The Denver-based company is transforming traditional tuition assistance programs by facilitating direct payment by...  View Details
      Keywords: Education; Market Platforms; Technology; Employees; Social Enterprise; Education Industry; Technology Industry; Colorado
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      Sahlman, William A., Michael D. Smith, Nicole Tempest Keller, and Alpana Thapar. "Guild Education: Unlocking Opportunity for America's Workforce." Harvard Business School Case 821-050, November 2020.
      • October 2020
      • Case

      COVID-19 Testing at Everlywell

      By: Jeffrey J. Bussgang and Olivia Hull
      In March 2020, as COVID-19 spreads rapidly across the U.S., Everlywell founder Julia Cheek considers how to respond as a small start-up specializing in at-home lab testing. After making dramatic budget cuts, she decides to pivot the organization to address the...  View Details
      Keywords: Entrepreneurship; Business Strategy; Venture Capital; Health Care and Treatment; Health Disorders; Leading Change; Technology Adoption; Technology Platform; Competitive Strategy; Science; Adaptation; Corporate Social Responsibility and Impact; Crisis Management; Social Entrepreneurship; Ethics; Government Legislation; Health; Health Testing and Trials; Health Pandemics; Consumer Products Industry; Health Industry; Technology Industry; Texas; United States
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      Bussgang, Jeffrey J., and Olivia Hull. "COVID-19 Testing at Everlywell." Harvard Business School Case 821-001, October 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
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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.
      • September 2020 (Revised November 2020)
      • Supplement

      Student Success at Georgia State University (B)

      By: Michael W. Toffel, Robin Mendelson and Julia Kelley
      This is a supplement to the Student Success at Georgia State University (A) case. The (B) case includes the results of a randomized control trial that Georgia State conducted to test education technology start-up AdmitHub’s chatbot solution as a strategy for improving...  View Details
      Keywords: Education; Higher Education; Learning; Curriculum and Courses; Demographics; Diversity; Ethnicity; Income; Race; Values and Beliefs; Leadership; Goals and Objectives; Measurement and Metrics; Operations; Organizations; Mission and Purpose; Organizational Culture; Outcome or Result; Performance; Performance Effectiveness; Performance Evaluation; Performance Improvement; Planning; Strategic Planning; Social Enterprise; Nonprofit Organizations; Social Issues; Wealth and Poverty; Equality and Inequality; Technology; Technology Platform; Education Industry; Atlanta
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      Toffel, Michael W., Robin Mendelson, and Julia Kelley. "Student Success at Georgia State University (B)." Harvard Business School Supplement 621-039, September 2020. (Revised November 2020.)
      • September 2020 (Revised November 2020)
      • Case

      Student Success at Georgia State University (A)

      By: Michael W. Toffel, Robin Mendelson and Julia Kelley
      Georgia State University had developed a reputation for driving student success by nearly doubling its graduation rate for students of all racial, ethnic, and socioeconomic backgrounds. It did so while growing its student body and the proportion of Black/African...  View Details
      Keywords: Education; Higher Education; Learning; Curriculum and Courses; Demographics; Diversity; Ethnicity; Income; Race; Leadership; Goals and Objectives; Measurement and Metrics; Operations; Organizations; Mission and Purpose; Organizational Culture; Outcome or Result; Performance; Performance Effectiveness; Performance Evaluation; Service Operations; Performance Improvement; Planning; Strategic Planning; Social Enterprise; Nonprofit Organizations; Social Issues; Wealth and Poverty; Equality and Inequality; Technology; Technology Platform; Education Industry; Atlanta
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      Toffel, Michael W., Robin Mendelson, and Julia Kelley. "Student Success at Georgia State University (A)." Harvard Business School Case 621-006, September 2020. (Revised November 2020.)
      • August 2020 (Revised January 2021)
      • Case

      Just Arrived: Integrating Refugees in Sweden

      By: Brian Trelstad, Emilie Billaud and Mette Fuglsang Hjortshoej
      In April 2020, Lisa Tengberg, Harvard Business School MBA Candidate, submitted a paper on Just Arrived, an online platform which matched newly-arrived immigrants with employers in Sweden. The case describes the European refugee crisis and different approaches in...  View Details
      Keywords: Immigration; Employment; Integration; Business Model; Social Entrepreneurship; Growth and Development Strategy; Employment Industry; Sweden; Italy; Germany
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      Trelstad, Brian, Emilie Billaud, and Mette Fuglsang Hjortshoej. "Just Arrived: Integrating Refugees in Sweden." Harvard Business School Case 321-040, August 2020. (Revised January 2021.)
      • August 2020
      • Case

      Zoom Video Communications: Eric Yuan's Leadership During COVID-19

      By: Scott Duke Kominers, Christopher Stanton, Andy Wu and George Gonzalez
      In the first half of 2020, worldwide lockdowns caused by the COVID-19 pandemic brought explosive growth to the Zoom Video Communications platform, as people replaced in-person work and social events with videoconferencing. Months into the pandemic, CEO Eric Yuan...  View Details
      Keywords: Transformation; Communication Technology; Customer Value and Value Chain; Values and Beliefs; Technological Innovation; Leadership; Crisis Management; Organizational Culture; Working Conditions; Strategy; Information Technology; Software; Technology Adoption; Health Pandemics; Technology Industry; United States; California
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      Kominers, Scott Duke, Christopher Stanton, Andy Wu, and George Gonzalez. "Zoom Video Communications: Eric Yuan's Leadership During COVID-19." Harvard Business School Case 821-014, August 2020.
      • 2020
      • Working Paper

      Of Learning and Forgetting: Centrism, Populism, and the Legitimacy Crisis of Globalization

      By: Rawi Abdelal
      Every order is a bargain with disappointments and trade-offs. Thus is every order an unstable equilibrium. The first era of globalization, circa 1870–1914, created both international prosperity and domestic instability. That instability was fully realized during the...  View Details
      Keywords: Centrism; Populism; Globalization; History; Balance and Stability; Economic Systems; Government and Politics; Learning
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      Abdelal, Rawi. "Of Learning and Forgetting: Centrism, Populism, and the Legitimacy Crisis of Globalization." Harvard Business School Working Paper, No. 21-008, July 2020.
      • June 2020
      • Article

      Frenemies in Platform Markets: Heterogeneous Profit Foci as Drivers of Compatibility Decisions

      By: Ron Adner, Jianqing Chen and Feng Zhu
      We study compatibility decisions of two competing platform owners that generate profits through both hardware sales and royalties from content sales. We consider a game-theoretic model in which two platforms offer different standalone utilities to users. We find that...  View Details
      Keywords: Compatibility; Platform Competition; Profit Foci; Two-Sided Platforms; Competition; Profit; Decision Making
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      Adner, Ron, Jianqing Chen, and Feng Zhu. "Frenemies in Platform Markets: Heterogeneous Profit Foci as Drivers of Compatibility Decisions." Management Science 66, no. 6 (June 2020): 2432–2451.
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