Publications
Publications
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- All HBS Web
(2,911)
- Faculty Publications (654)
- April 2021
- Case
Glass-Shattering Leaders: Ana Paula Pessoa
By: Boris Groysberg and Colleen Ammerman
Ana Paula Pessoa built a career at the largest media conglomerate in Latin America, combining a passion for digital transformation with a commitment to doing work that had a positive impact on society. Having grown up during a dictatorial military regime in Brazil, the... View Details
- April 2021 (Revised January 2022)
- Case
SA Taxi: A Vehicle for Empowerment? (A)
By: Nien-he Hsieh, Dilyana Karadzhova Botha and F. Christopher Eaglin
SA Taxi was a vertically integrated business that operated in South Africa’s distinctive taxi industry. Despite being plagued by violence, informal structures, unsafe road practices and lack of government support, the taxi industry had grown to become South Africa’s... View Details
- April 2021 (Revised January 2022)
- Supplement
SA Taxi: A Vehicle for Empowerment? (B)
By: Nien-he Hsieh, Dilyana Karadzhova Botha and F. Christopher Eaglin
SA Taxi was a vertically integrated business that operated in South Africa’s distinctive taxi industry. Despite being plagued by violence, informal structures, unsafe road practices and lack of government support, the taxi industry had grown to become South Africa’s... View Details
- 2021
- Working Paper
Diversity and Performance in Entrepreneurial Teams
By: Sophie Calder-Wang, Paul A. Gompers and Kevin Huang
We study the role of diversity and performance in the entrepreneurial teams. We exploit a unique dataset of MBA students who participated in a required course to propose and start a real micro-business that allows us to examine horizontal diversity (i.e., within the... View Details
- March 2021
- Case
Astralis Group: Determining a Brand Strategy
By: Benjamin C. Esty, Mette Fuglsang Hjortshoej and Emilie Billaud
After launching a Danish esports company in July 2019, and going public in December 2019 with multiple brands associated with different games, the Astralis leadership team was contemplating a shift to a single, corporate brand. While the original arguments for... View Details
Keywords: Brand Strategy; Esports; Video Games; Corporate Scope; Positioning; Ecosystem; Brands and Branding; Strategy; Business Ventures; Business Startups; Entrepreneurship; Ethics; Sports; Competitive Strategy; Value Creation; Diversification; Games, Gaming, and Gambling; Sports Industry; Entertainment and Recreation Industry; Denmark; Europe
- 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
- March 2021
- Article
Assortment Rotation and the Value of Concealment
By: Kris J. Ferreira and Joel Goh
Assortment rotation—the retailing practice of changing the assortment of products offered to customers—has recently been used as a competitive advantage for both brick-and-mortar and online retailers. We focus on product categories where consumers may purchase multiple... View Details
- March 2021
- Article
The Impact of the General Data Protection Regulation on Internet Interconnection
By: Ran Zhuo, Bradley Huffaker, KC Claffy and Shane Greenstein
The Internet comprises thousands of independently operated networks, where bilaterally negotiated interconnection agreements determine the flow of data between networks. The European Union’s General Data Protection Regulation (GDPR) imposes strict restrictions on... View Details
- 2021
- Working Paper
Consuming Contests: Outcome Uncertainty and Spectator Demand for Contest-based Entertainment
By: Patrick J. Ferguson and Karim R. Lakhani
Contests that are designed to be consumed for entertainment by non-contestants are a fixture of economic, cultural and political life. In this paper, we examine whether individuals prefer to consume contests that have more uncertain outcomes. We look to... View Details
- February 2021
- Article
A Dynamic Theory of Multiple Borrowing
By: Daniel Green and Ernest Liu
Multiple borrowing—a borrower obtains overlapping loans from multiple lenders—is a common phenomenon in many credit markets. We build a highly tractable, dynamic model of multiple borrowing and show that, because overlapping creditors may impose default externalities... View Details
- February 2021
- Article
Health Care Measurements That Improve Patient Outcomes
By: Robert S. Kaplan, Lara Jehi, Clifford Y. Ko, Andrea Pusic and Mary Witkowski
This article describes the challenges and solutions in determining whether a patient’s treatment has been successful. Such an assessment depends on multiple factors, including the patient’s pretreatment status; the qualifications of personnel performing the treatment;... View Details
- 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; Information Infrastructure; Innovation Strategy; Digital Platforms; Network Effects; Applications and Software; Information Technology; Technology Industry; Computer Industry; Information Technology Industry; Video Game Industry
- 2021
- Working Paper
Connecting Expected Stock Returns to Accounting Valuation Multiples: A Primer
By: Akash Chattopadhyay, Matthew R. Lyle and Charles C.Y. Wang
We outline a framework in which accounting “valuation anchors" could be connected to expected stock returns. Under two general conditions, expected log returns is a log-linear function of a valuation (market value-to-accounting) multiple and the expected growth in the... View Details
Keywords: Expected Returns; Present Value; Investment Return; Accounting; Valuation; Information; Framework
- January 2021 (Revised March 2022)
- Case
Into the Raging Sea: Final Voyage of the SS El Faro
By: Joseph B. Fuller and Mel Martin
Captain Michael Davidson of the container ship SS El Faro was determined to make his planned shipping trip on time—but a hurricane was approaching his intended path. To succeed, Davidson and his fellow officers must plot a course to avoid the storm in the face of... View Details
- 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
- January 2021 (Revised January 2021)
- Case
Thomas Keller Restaurant Group: Leadership Through a Pandemic
By: Lena G. Goldberg and Michael S. Kaufman
Thomas Keller, the first and only American-born chef to hold multiple three-star ratings from the prestigious Michelin Guide, and Joe Essa, the immediate past Board Chair of the National Restaurant Association and the CEO of Keller’s restaurant group, were class guests... View Details
- Article
Towards Robust and Reliable Algorithmic Recourse
By: Sohini Upadhyay, Shalmali Joshi and Himabindu Lakkaraju
As predictive models are increasingly being deployed in high-stakes decision making (e.g., loan
approvals), there has been growing interest in post-hoc techniques which provide recourse to affected
individuals. These techniques generate recourses under the assumption... View Details
- January 2021
- Article
Using Models to Persuade
By: Joshua Schwartzstein and Adi Sunderam
We present a framework where "model persuaders" influence receivers’ beliefs by proposing models that organize past data to make predictions. Receivers are assumed to find models more compelling when they better explain the data, fixing receivers’ prior beliefs. Model... View Details
- Article
Incorporating Interpretable Output Constraints in Bayesian Neural Networks
By: Wanqian Yang, Lars Lorch, Moritz Graule, Himabindu Lakkaraju and Finale Doshi-Velez
Domains where supervised models are deployed often come with task-specific constraints, such as prior expert knowledge on the ground-truth function, or desiderata like safety and fairness. We introduce a novel probabilistic framework for reasoning with such constraints... View Details
- 2020
- Working Paper
Dog Eat Dog: Balancing Network Effects and Differentiation in 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