Publications
Publications
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- All HBS Web
(903)
- Faculty Publications (178)
- March 2023
- Case
Ransomware Attack at Colonial Pipeline Company
By: Suraj Srinivasan and Li-Kuan Ni
On the morning of May 7, 2021, Colonial Pipeline Company became aware that the company had been the victim of a malicious ransomware attack that had stolen and locked up company data. The extortionists demanded 75 bitcoins (worth about $4.4 million at the time) in... View Details
Keywords: Disruption; Communication; Communication Strategy; Decision Making; Decision Choices and Conditions; Judgments; Corporate Accountability; Corporate Disclosure; Corporate Governance; Governance Controls; Policy; Employees; News; Cybersecurity; Digital Strategy; Information Infrastructure; Information Management; Internet and the Web; Crisis Management; Business or Company Management; Resource Allocation; Risk Management; Negotiation Tactics; Failure; Business and Stakeholder Relations; Attitudes; Behavior; Perception; Reputation; Trust; Public Opinion; Social Issues; Infrastructure; Distribution Industry; United States; Alabama
- March–April 2023
- Article
Market Segmentation Trees
By: Ali Aouad, Adam Elmachtoub, Kris J. Ferreira and Ryan McNellis
Problem definition: We seek to provide an interpretable framework for segmenting users in a population for personalized decision making. Methodology/results: We propose a general methodology, market segmentation trees (MSTs), for learning market... View Details
- 2022
- Working Paper
Stories, Statistics and Memory
By: Thomas Graeber, Christopher Roth and Florian Zimmermann
For most decisions, we rely on information encountered over the course of days,
months or years. We consume this information in various forms, including abstract
summaries of multiple data points – statistics – and contextualized anecdotes about
individual instances... View Details
- Article
Recovering Investor Expectations from Demand for Index Funds
By: Mark Egan, Alexander J. MacKay and Hanbin Yang
We use a revealed-preference approach to estimate investor expectations of stock market returns. Using data on demand for index funds that follow the S&P 500, we develop and estimate a model of investor choice to flexibly recover the time-varying distribution of... View Details
- 2022
- Book
Purpose + Profit: How Business Can Lift Up the World
By: George Serafeim
The roadmap and best practices to reap the enormous value that can emerge when your business prioritizes social and environmental goals—such as climate change, diversity and inclusion, and sustainability—right alongside the pursuit of profit.
We not only... View Details
We not only... View Details
- August 2022
- Article
The Bulletproof Glass Effect: Unintended Consequences of Privacy Notices
By: Aaron R. Brough, David A. Norton, Shannon L. Sciarappa and Leslie K. John
Drawing from a content analysis of publicly traded companies’ privacy notices, a survey of managers, a field study, and five online experiments, this research investigates how consumers respond to privacy notices. A privacy notice, by placing legally enforceable limits... View Details
- 2022
- Working Paper
Product2Vec: Leveraging Representation Learning to Model Consumer Product Choice in Large Assortments
By: Fanglin Chen, Xiao Liu, Davide Proserpio and Isamar Troncoso
We propose a method, Product2Vec, based on representation learning, that can automatically learn latent product attributes that drive consumer choices, to study product-level competition when the number of products is large. We demonstrate Product2Vec’s... View Details
- May 2022
- Case
Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?
By: Lauren Cohen and Grace Headinger
Thomas de Dreux-Brézé, the Head of Strategy and Project Management at Rawbank Congo in the Democratic Republic of the Congo (DRC), was perplexed as he reviewed annual adoption rates for the bank’s launch of Illico Cash 2.0. As the bank’s mobile money app, Illico Cash... View Details
Keywords: Fintech; Inflation; Deflation; Rural; Urban; Emerging Market; Mobile Technology; Finance; Money; Inflation and Deflation; Business Growth and Maturation; Decision Choices and Conditions; Demographics; Developing Countries and Economies; Corporate Entrepreneurship; Behavioral Finance; Currency; Banks and Banking; Commercial Banking; Financial Strategy; Rural Scope; Urban Scope; Innovation Strategy; Emerging Markets; Network Effects; Consumer Behavior; Mobile and Wireless Technology; Technology Adoption; Banking Industry; Financial Services Industry; Technology Industry; Congo, Democratic Republic of the
- April 2022
- Article
Consumers Value Effort over Ease When Caring for Close Others
By: Ximena Garcia-Rada, Mary Steffel, Elanor F. Williams and Michael I. Norton
Many products and services are designed to make caregiving easier, from premade meals for feeding families to robo-cribs that automatically rock babies to sleep. Yet, using these products may come with a cost: consumers may feel they have not exerted enough effort.... View Details
- March 2022 (Revised December 2022)
- Case
Perch
By: Jeffrey F. Rayport, Stacy Straaberg and Julia Kelley
In May 2021, Perch CEO Chris Bell needed to decide whether his e-commerce aggregator company, which bought and scaled Amazon Marketplace brands, should acquire up to three acquisition targets. The prospective acquisitions, Web Deals Direct, HomeCo, and Future Brands,... View Details
Keywords: Business Ventures; Acquisition; Business Growth and Maturation; Decision Making; Cost vs Benefits; Decision Choices and Conditions; Decisions; Management; Growth and Development Strategy; Strategy; Business Strategy; Integration; E-commerce; Consumer Products Industry; Consumer Products Industry; Consumer Products Industry; North America; United States; Massachusetts; Boston; California; Asia; Philippines
- 2022
- Working Paper
Consumer Reviews and Regulation: Evidence from NYC Restaurants
By: Chiara Farronato and Georgios Zervas
We investigate the informativeness of hygiene signals in online reviews, and their effect on consumer choice and restaurant hygiene. We first extract signals of hygiene from Yelp. Among all dimensions that regulators monitor through mandated restaurant inspections, we... View Details
- June 2021
- Case
Mobileye 2021: Robotaxi and/or Consumer AV?
By: David B. Yoffie, Danielle Golan and Nicole Tempest Keller
In March 2021, Amnon Shashua, co-founder and CEO of Israel-based Mobileye, was preparing to meet with Intel’s new CEO, Pat Gelsinger, to review plans for the future. Mobileye had been acquired by California-based Intel in 2017, but still operated independently.... View Details
- May 2021
- Case
Roku 2021
By: David B. Yoffie and Daniel Fisher
This case is used to explore the strategic concept of "look forward, reason back." Roku in 2021 is trying to figure out the future of television and streaming media. Students are asked to provide a vision for television and streaming media (that is, Look Forward) by... View Details
- April 2021
- Teaching Note
Social Media War 2021: Snap vs. Facebook vs. TikTok
By: David B. Yoffie and Daniel Fisher
This teaching note provides analysis and a teaching plan for the Social Media War 2021: Snap vs. Facebook vs. TikTok case. View Details
- April 2021 (Revised March 2024)
- 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
- March 2021
- Article
Active Choice, Implicit Defaults, and the Incentive to Choose
By: John Beshears, James J. Choi, David Laibson and Brigitte C. Madrian
Home-delivered prescriptions have no delivery charge and lower copayments than prescriptions picked up at a pharmacy. Nevertheless, when home delivery is offered on an opt-in basis, the take-up rate is only 6%. We study a program that makes active choice of either home... View Details
- February 2021
- Article
How Transparency into Internal and External Responsibility Initiatives Influences Consumer Choice
By: Ryan W. Buell and Basak Kalkanci
Amid growing calls for transparency and social and environmental responsibility, companies are employing different strategies to improve consumer perceptions of their brands. Some pursue internal initiatives that reduce their negative social or environmental impacts... 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
The Health Costs of Cost-Sharing
By: Amitabh Chandra, Evan Flack and Ziad Obermeyer
We use the design of Medicare’s prescription drug benefit program to demonstrate three facts about the health consequences of cost-sharing. First, we show that an as-if-random increase of 33.6% in out-of-pocket price (11.0 percentage points (p.p.) change in... View Details
- January 2021
- Case
Value-Based Insurance Design at Onex
By: Joshua Schwartzstein, Amitabh Chandra and Amram Migdal
The operating executives of Health and Benefits for Onex Partners, Megan Jackson Frye and Sam Camens, faced a challenge: Healthcare costs for employees of Onex’s portfolio companies were continuing to rise above the consumer price index, reflecting broader trends... View Details
Keywords: Decision Making; Cost vs Benefits; Decision Choices and Conditions; Decisions; Finance; Behavioral Finance; Insurance; Health; Health Care and Treatment; Human Resources; Compensation and Benefits; Markets; Demand and Consumers; Consumer Behavior; Social Psychology; Behavior; Interests; Motivation and Incentives; Perception; Health Industry; Insurance Industry; North America; United States