Publications
Publications
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(3,001)
- Faculty Publications (421)
- Article
Counterfactual Explanations Can Be Manipulated
By: Dylan Slack, Sophie Hilgard, Himabindu Lakkaraju and Sameer Singh
Counterfactual explanations are useful for both generating recourse and auditing fairness between groups. We seek to understand whether adversaries can manipulate counterfactual explanations in an algorithmic recourse setting: if counterfactual explanations indicate... View Details
- November 2021
- Article
Ratings, Reviews, and the Marketing of New Products
By: Itay P. Fainmesser, Dominique Olié Lauga and Elie Ofek
We study how user-generated content (UGC) about new products impacts a firm's advertising and pricing decisions and the effect on profits and market dynamics. We construct a two-period model where consumers value quality and are heterogeneous in their taste for the new... View Details
- October 2021 (Revised September 2022)
- Case
GoPro: Becoming a Subscription Hero
By: Elie Ofek, Marco Bertini and Nicole Tempest Keller
In 2021, Nick Woodman, founder and CEO of GoPro, was reviewing the company’s subscription offering, considering whether to extend it beyond benefits that were directly related to the company’s iconic camera. Founded in 2002, GoPro had gained renown for its innovative... View Details
- Article
Behavioral and Neural Representations en route to Intuitive Action Understanding
By: Leyla Tarhan, Julian De Freitas and Talia Konkle
When we observe another person’s actions, we process many kinds of information—from how their body moves to the intention behind their movements. What kinds of information underlie our intuitive understanding about how similar actions are to each other? To address this... View Details
- October 2021
- Article
Can Self-Regulation Save Digital Platforms?
By: Michael A. Cusumano, Annabelle Gawer and David B. Yoffie
This article explores some of the critical challenges facing self-regulation and the regulatory environment for digital platforms. We examine several historical examples of firms and industries that attempted self-regulation before the Internet. All dealt with similar... View Details
- September 2021
- Case
Brown Capital Management
By: Luis M. Viceira, Emily R. McComb and Sarah Mehta
Set in July 2021, this case looks at several growth strategies under consideration at Brown Capital, the second-oldest Black-owned asset management firm in the U.S. Since its 1983 founding, Baltimore-based Brown Capital has specialized in small company growth... View Details
Keywords: Business Growth and Maturation; Growth and Development Strategy; Diversity; Race; Finance; Equity; Public Equity; Stocks; Financial Management; Financial Strategy; Investment; Investment Portfolio; Employee Stock Ownership Plan; Recruitment; Retention; Selection and Staffing; Employee Ownership; Strategy; Financial Services Industry; United States; Maryland; Baltimore
- September 2021 (Revised December 2021)
- Case
Spire, the CubeSat Revolution, and the Government as a Space Data Customer
By: Matthew Weinzierl, Mehak Sarang and Brendan L. Rosseau
This case outlines the rise of Spire Global, a young space company using CubeSats to provide weather data and weather prediction services. In addition to tracing the evolution of a space startup from novel idea to publicly-traded company, the case also examines the... View Details
- 2025
- Working Paper
How Do Households Suppress the Price of Tail Risk?
By: Laurent Calvet, Claire Célérier, Gordon Liao and Boris Vallée
This paper investigates the effects of the issuance of retail products with non-linear payoffs on option prices. For a given underlying asset, when the outstanding volume of products embedding a short-put position increases, implied volatility at the corresponding... View Details
- Article
The Harmonization of Lending Standards within Banks through Mandated Loan-Level Transparency
By: Jung Koo Kang, Maria Loumioti and Regina Wittenberg-Moerman
We explore whether the introduction of transparent reporting rules increases credit standard harmonization within a bank. We exploit the new loan-level reporting rules imposed on banks that borrow from the European Central Bank using repurchase agreements... View Details
- July 2021
- Case
Amazon HQ2
By: James K. Sebenius and Ben Cook
Amazon’s failed bid for a second headquarters location (“HQ2”) in Long Island City, New York offers many lessons for negotiators looking to avoid similar high-profile defeats in strategically important deals. The company’s project – which promised to bring billions of... View Details
- 2021
- Working Paper
Multiple Team Membership, Turnover, and On-Time Delivery: Evidence from Construction Services
By: Hise O. Gibson, Bradely R. Staats and Ananth Raman
Firms who want to compete in dynamic markets are finding that they must build more agile operations to ensure success. One way for a firm to increase organizational agility is to allocate employees to multiple project teams, simultaneously—a practice known as multiple... View Details
- July 2021
- Article
Creating Exercise Habits Using Incentives: The Trade-off Between Flexibility and Routinization
By: John Beshears, Hae Nim Lee, Katherine L. Milkman, Robert Mislavsky and Jessica Wisdom
Habits involve regular, cue-triggered routines. In a field experiment, we tested whether incentivizing exercise routines—paying participants each time they visit the gym within a planned, daily two-hour window—leads to more persistent exercise than offering flexible... View Details
- June 2021
- Article
Engineering Serendipity: When Does Knowledge Sharing Lead to Knowledge Production?
By: Jacqueline N. Lane, Ina Ganguli, Patrick Gaule, Eva C. Guinan and Karim R. Lakhani
We investigate how knowledge similarity between two individuals is systematically related to the likelihood that a serendipitous encounter results in knowledge production. We conduct a natural field experiment at a medical research symposium, where we exogenously... View Details
- 2021
- Working Paper
The Great Unequalizer: Initial Health Effects of COVID-19 in the United States
By: Marcella Alsan, Amitabh Chandra and Kosali I. Simon
We measure inequities from the COVID-19 pandemic on mortality and hospitalizations in the United States during the early months of the outbreak. We discuss challenges in measuring health outcomes and health inequality, some of which are specific to COVID-19 and others... View Details
- May 2021
- Teaching Plan
Middlebury College: Energy2028
By: Brian Trelstad and Michael Norris
Teaching Plan for HBS Case No. 320-029. In 2018, Middlebury College’s board of trustees is considering a proposal called Energy2028 that would push the small, liberal arts and sciences college in Vermont to become a net zero carbon emitter, decrease energy usage by... View Details
- 2021
- Working Paper
Going by the Book: Valuation Ratios and Stock Returns
By: Ki-Soon Choi, Eric So and Charles C.Y. Wang
We study the use of firms’ book-to-market ratios (B/M) in value investing and its implications for comovements in firms’ stock returns and trading volumes. We show B/M has become increasingly detached from common alternative valuation ratios over time while also... View Details
- 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
- April 2021 (Revised July 2021)
- Case
StockX: The Stock Market of Things (Abridged)
By: Chiara Farronato, John J. Horton, Annelena Lobb and Julia Kelley
Founded in 2015 by Dan Gilbert, Josh Luber, and Greg Schwartz, StockX was an online platform where users could buy and sell unworn luxury and limited-edition sneakers. Sneaker resale prices often fluctuated over time based on supply and demand, creating a robust... View Details
Keywords: Markets; Auctions; Bids and Bidding; Demand and Consumers; Consumer Behavior; Analytics and Data Science; Market Design; Digital Platforms; Market Transactions; Marketplace Matching; Supply and Industry; Analysis; Price; Product Marketing; Product Launch; Apparel and Accessories Industry; Fashion Industry; North and Central America; United States; Michigan; Detroit
- 2021
- Book
Global Goliaths: Multinational Corporations in the 21st Century Economy
By: C. Fritz Foley, James R. Hines Jr. and David Wessel
Globalization and multinational corporations have long seemed partners in the enterprise of economic growth: globalization-led prosperity was the goal, and giant corporations spanning the globe would help achieve it. In recent years, however, the notion that all... View Details
- Spring 2021
- Article
Whose Job Is It Anyway? Co-Ethnic Hiring in New U.S. Ventures
By: Sari Pekkala Kerr and William R. Kerr
We explore co-ethnic hiring among new ventures using U.S. administrative data. Co-ethnic hiring is ubiquitous among immigrant groups, averaging about 22.5% and ranging from <2% to >40%. Co-ethnic hiring grows with the size of the local ethnic workforce, greater... View Details
Keywords: Hiring; Job Creation; E-Verify; Immigration; Selection and Staffing; Ethnicity; Entrepreneurship