Publications
Publications
Show Results For
- All HBS Web
(9,404)
- Faculty Publications (1,924)
- 2023
- Working Paper
An Experimental Design for Anytime-Valid Causal Inference on Multi-Armed Bandits
By: Biyonka Liang and Iavor I. Bojinov
Typically, multi-armed bandit (MAB) experiments are analyzed at the end of the study and thus require the analyst to specify a fixed sample size in advance. However, in many online learning applications, it is advantageous to continuously produce inference on the... View Details
- 2024
- Working Paper
Design of Panel Experiments with Spatial and Temporal Interference
By: Tu Ni, Iavor Bojinov and Jinglong Zhao
One of the main practical challenges companies face when running experiments (or A/B tests) over a panel is interference, the setting where one experimental unit's treatment assignment at one time period impacts another's outcomes, possibly at the following time... View Details
Keywords: Research
- 2021
- Working Paper
Quantifying the Value of Iterative Experimentation
By: Iavor I Bojinov and Jialiang Mao
Over the past decade, most technology companies and a growing number of conventional firms have adopted online experimentation (or A/B testing) into their product development process. Initially, A/B testing was deployed as a static procedure in which an experiment was... View Details
- March 2024 (Revised May 2025)
- Case
Governing OpenAI (A)
By: Lynn S. Paine, Suraj Srinivasan and Will Hurwitz
In late November 2023, OpenAI’s new board of directors took stock of the situation. The company, which sought to develop artificial general intelligence (AGI)—computer systems with capabilities exceeding human abilities—was looking to regain its footing after a chaotic... View Details
Keywords: Artificial Intelligence; Board Of Directors; Board Decisions; Board Dynamics; Corporate Boards; Governance Changes; Governance Structure; Leadership Change; Legal Aspects Of Business; Nonprofit Governance; Strategy And Execution; Technological Change; AI and Machine Learning; Corporate Governance; Leadership; Management; Mission and Purpose; Technological Innovation; Governing Rules, Regulations, and Reforms; Governing and Advisory Boards; Resignation and Termination; Ethics; Nonprofit Organizations; Open Source Distribution; Partners and Partnerships; Technology Industry; San Francisco; United States
- March 2024 (Revised August 2024)
- Case
Darktrace: Scaling Cybersecurity and AI (A)
By: Jeffrey F. Rayport and Alexis Lefort
In 2023, Darktrace CEO Poppy Gustafsson was contemplating her growth strategy at a leading U.K.-based cybersecurity venture, launched in 2013 by a group of anti-terror cyber specialists, University of Cambridge mathematicians, and artificial intelligence (AI) experts.... View Details
Keywords: Technology; Talent; Scaling; Entrepreneurship; Cybersecurity; Leadership; Business Growth and Maturation; Recruitment; Resignation and Termination; AI and Machine Learning; Growth and Development Strategy; Organizational Culture; Going Public; Technology Industry; United Kingdom; Europe; United States
- March 2024
- Article
Establishing the Foundation for Carbon Trading Markets
By: Robert S. Kaplan, Karthik Ramanna and Marc Roston
Poor measurement practices and inadequate controls have led to extensive trading of carbon offset instruments that do not materially reduce the supply of atmospheric GHG. We introduce five carbon offset accounting principles, built from fundamental financial-accounting... View Details
- February 2024
- Case
Vespucci Partners: The New World of Venture Capital in Hungary
By: Paul A. Gompers, Tonia Labruyere and Emilie Billaud
Julia Sohajda was the young, female founding partner of the Hungarian VC firm Vespucci Partners, which focused on investing at seed stage into Hungarian deep tech startups and prepare them for a launch in the U.S market. Vespucci's first fund had largely been comprised... View Details
- February 2024
- Case
Innovation Strategy at Stanley Black & Decker: Setting the Direction for Growth
By: David L. Ager and Antonio Manuel Oftelie
On July 1, 2022, Don Allan was appointed Chief Executive Officer of Stanley Black & Decker (SBD). Although Allan had been with the firm for 23 years, most recently serving as President and Chief Financial Officer, he recognized that he was stepping into his new role as... View Details
- February 2024 (Revised February 2024)
- Case
CLSA: Integrating ESG in Stock Valuation
By: Shirley Lu, Aaron Yoon and Billy Chan
In 2023, a senior financial analyst at the Hong Kong-based stock brokerage firm CLSA was surprised to see that, based on his calculations, the financial impact from climate risks on a major Indian cement manufacturing company’s projected earnings could be massive.... View Details
- February 2024
- Case
Continuity & Change at Boston Consulting Group
By: David G. Fubini, Suraj Srinivasan and David Lane
As the new CEO of Boston Consulting Group (BCG) since autumn 2021, Christoph Schweizer had big shoes to fill—his predecessor, Rich Lesser, had tripled the partnership’s total revenues and created digital initiatives that contributed 40+% of 2021 revenues, more than... View Details
Keywords: Business Organization; Change Management; Talent and Talent Management; Governance; AI and Machine Learning; Environmental Sustainability; Leading Change; Risk Management; Organizational Culture; Partners and Partnerships; Revenue; Growth and Development Strategy; Management Succession; Consulting Industry
- February 2024 (Revised May 2024)
- Case
Johnson Security Bureau: Building Multigenerational Success
By: Henry McGee, Annelena Lobb and David Muoser
Jessica Johnson-Cope, CEO of Johnson Security Bureau (JSB), pondered options for scaling the firm. JSB was the oldest Black-owned security firm in New York, and among the oldest Black-owned security firms in the United States. It provided mostly unarmed security guards... View Details
- 2024
- Working Paper
Open Devices and Slices: Evidence from Wi-Fi Equipment
By: Do Yoon Kim, Roberto Fontana and Shane Greenstein
Prior studies suggest that openness shapes the introduction of new products. This study
collects novel data on all routers and subcomponents introduced between 2000 and 2018. We
characterize each firm's position in a supply chain as upstream component providers... View Details
- February 2024
- Article
Diversification as an Adaptive Learning Process: An Empirical Study of General-Purpose and Market-Specific Technological Know-How in New Market Entry
By: Dominika Kinga Randle and Gary P. Pisano
An enduring trait of modern corporations is their propensity to diversify into multiple lines of business. Penrosian theories conceptualize diversification as a strategy to exploit a firm’s fungible, yet “untradeable”, resources and point to redeployment of... View Details
- February 2024 (Revised March 2025)
- Case
Moving Science: The Rowland Institute at Harvard
By: Maria P. Roche
Set in 2022, this case describes the considerations involved in organizing the physical relocation of the Rowland Institute at Harvard (RIH), a research institute established in 1980 by Edwin H. Land, the founder of the Polaroid Corporation, for the advancement of... View Details
- February 2024
- Article
Representation and Extrapolation: Evidence from Clinical Trials
By: Marcella Alsan, Maya Durvasula, Harsh Gupta, Joshua Schwartzstein and Heidi L. Williams
This article examines the consequences and causes of low enrollment of Black patients in clinical
trials. We develop a simple model of similarity-based extrapolation that predicts that evidence is
more relevant for decision-making by physicians and patients when it... View Details
- Working Paper
Visual Uniqueness in Peer-to-Peer Marketplaces: Machine Learning Model Development, Validation, and Application
By: Flora Feng, Charis Li and Shunyuan Zhang
Peer-to-peer (P2P) marketplaces have seen exponential growth in recent years featured by unique offerings from individual providers. Despite the perceived value of uniqueness, scalable quantification of visual uniqueness in P2P platforms like Airbnb has been largely... View Details
- January 2024 (Revised May 2024)
- Case
Runa
By: Paul Gompers and Carla Larangeira
In early 2022, Courtney McColgan, founder and CEO of Runa, a human resources and payroll Software-as-a-Service platform, faced an unexpected tech market downturn. Founded in 2018, Runa catered to small and medium-sized businesses in Mexico, offering an affordable and... View Details
- January 2024 (Revised June 2024)
- Case
Equal Justice Initiative: Mercy, Truth and Dignity
By: V. Kasturi Rangan, Gerald Chertavian and Brittany Logan
In 1989, the Equal Justice Initiative was established as a non-profit, public interest law firm by Harvard Law School graduate, Bryan Stevenson.
EJI provides legal assistance to condemned prisoners, people wrongly convicted or unfairly sentenced, children in... View Details
EJI provides legal assistance to condemned prisoners, people wrongly convicted or unfairly sentenced, children in... View Details
- January 2024
- Case
Mariam Braimah: Designing a Career in Tech
By: Lakshmi Ramarajan, Hannah Riley Bowles and Michael Norris
In 2022, Mariam Braimah, a digital designer working at Netflix, is considering the next move in her career. She has spent several years at Netflix, and in her spare time, using her savings, has founded a design-focused fellowship program and a consumer insights company... View Details
- January 2024
- Supplement
Winning Business at Russell Reynolds
By: Ethan Bernstein and Cara Mazzucco
In an effort to make compensation drive collaboration, Russell Reynolds Associates’ (RRA) CEO Clarke Murphy sought to re-engineer the bonus system for his executive search consultants in 2016. As his HR analytics guru, Kelly Smith, points out, that risks upsetting—and... View Details