Publications
Publications
Show Results For
- All HBS Web
(1,274)
- Faculty Publications (237)
Page 1 of 237
Results →
- August 5, 2025
- Article
Data-driven Equation Discovery Reveals Nonlinear Reinforcement Learning in Humans
By: Kyle J. LaFollette, Janni Yuval, Roey Schurr, David Melnikoff and Amit Goldenberg
Computational models of reinforcement learning (RL) have significantly contributed to our understanding of human behavior and decision-making. Traditional RL models, however, often adopt a linear approach to updating reward expectations, potentially oversimplifying the... View Details
- June 2025
- Supplement
Full-Funnel Advertising on TikTok: An Experiment
By: Jeremy Yang and Ayelet Israeli
TikTok’s Marketing Science team developed a new type of advertising strategy beyond branding and performance advertising, called full-funnel advertising. Branding ads focused on brand building at the top of the funnel by generating consumer awareness, while performance... View Details
- June 2025
- Exercise
Full-Funnel Advertising on TikTok: An Experiment
By: Jeremy Yang and Ayelet Israeli
TikTok’s Marketing Science team developed a new type of advertising strategy beyond branding and performance advertising, called full-funnel advertising. Branding ads focused on brand building at the top of the funnel by generating consumer awareness, while performance... View Details
- June 2025
- Exercise
Full-Funnel Advertising on TikTok: An Experiment (Solution)
By: Jeremy Yang and Ayelet Israeli
TikTok’s Marketing Science team developed a new type of advertising strategy beyond branding and performance advertising, called full-funnel advertising. Branding ads focused on brand building at the top of the funnel by generating consumer awareness, while performance... View Details
- May 2025
- Case
IQanat: Empowering Rural Youth in Kazakhstan
By: Boris Groysberg and Maxim Pike Harrell
In June 2025, IQanat CEO Aliya Salikova considered scaling opportunities for the foundation, which provided educational opportunities for children from rural regions of Kazakhstan. Established by Kazakhstani businessman and philanthropist Aidyn Rakhimbayev, IQanat... View Details
- March 2025
- Case
The Changing Climate on Wall Street
By: Clayton S. Rose, Maxim Pike Harrell and Michael Norris
Increasing and conflicting regulatory requirements and political pressures regarding climate change tested the leaders of U.S. financial institutions, as they struggled to determine how best to comply while managing their business and its risks.
In October 2024,... View Details
In October 2024,... View Details
Keywords: Competency and Skills; Decision Making; Cost vs Benefits; Ethics; Corporate Accountability; Leadership; Management; Risk Management; Corporate Social Responsibility and Impact; Mission and Purpose; Organizational Change and Adaptation; Organizational Culture; Civil Society or Community; Social Issues; Adaptation; Risk and Uncertainty; Insurance; Climate Change; Change Management; Banking Industry; Financial Services Industry; Insurance Industry; United States; Europe
- 2025
- Working Paper
Turning Away from the State: Trade Shocks and Informal Insurance in Brazil
By: Paula Rettl
How does economic globalization affect vote choices? Conventional wisdom holds that voters who lose from economic integration support parties that propose expanding the welfare state. However, in the Global South, where the state is frequently weak or under-resourced,... View Details
- February 2025
- Supplement
eBee: Affordable Mobility for Africa
By: Ramon Casadesus-Masanell, Gamze Yucaoglu and Jordan Mitchell
The case opens in March 2023, as Sten van der Ham and Jaap Maljers, CEO and co-founder of eBee, an electric bike (e-bike) company in Africa, are contemplating the different avenues for growth and path to profitability for the young and ambitious company. In 2023, the... View Details
- February 2025
- Article
Variation in Batch Ordering of Imaging Tests in the Emergency Department and the Impact on Care Delivery
By: Jacob C. Jameson, Soroush Saghafian, Robert S. Huckman and Nicole Hodgson
Objectives: To examine heterogeneity in physician batch ordering practices and measure the impact of a physician's tendency to batch order imaging tests on patient outcomes and resource utilization.
Study Setting and Design: In this retrospective study, we used... View Details
Study Setting and Design: In this retrospective study, we used... View Details
- 2025
- Working Paper
Combining Complements: Theory and Evidence from Cancer Treatment Innovation
By: Rebekah Dix and Todd A. Lensman
Innovations often combine several components to achieve outcomes greater than the
“sum of the parts.” We argue that such combination innovations can introduce an understudied
inefficiency—a positive market expansion externality that benefits the owners of
the... View Details
- January 2025
- Case
A Winning Strategy (A): Innovation in Olympic Speed Skating
By: Rebecca Karp, Maria Roche, Maisie Wiltshire-Gordon and Tom Quinn
This case describes two innovators in the Olympic sport of speed skating: the U.S. Men’s team, which devised a new approach to the team pursuit event following their disappointing performance in the 2018 Winter Olympics; and Nils van der Poel, a Swedish skater who... View Details
- January–February 2025
- Article
Want Your Company to Get Better at Experimentation?: Learn Fast by Democratizing Testing
By: Iavor Bojinov, David Holtz, Ramesh Johari, Sven Schmit and Martin Tingley
For years, online experimentation has fueled the innovations of leading tech companies, enabling them to rapidly test and refine new ideas, optimize product features, personalize user experiences, and maintain a competitive edge. The widespread availability and lower... View Details
- December 2024 (Revised January 2025)
- Case
Balancing Returns and Responsibilities at Raya Partners
By: Arthur Segel, Ephraim Mernick, Derek C. M. van Bever and Olivia Barba
Raya Partners, a private equity firm, faces a crucial decision regarding Asa Specialty Coatings Company (ASCC). The dilemma involves shifting ASCC's manufacturing operations to Mexico, a move that would boost profitability and reduce emissions but result in significant... View Details
- November 2024 (Revised March 2025)
- Case
Tim Ferriss: What Might This Look like If It Were Easy?
By: Reza Satchu and Denise Koller
In April 2024, writer-podcaster Tim Ferriss—celebrated as the “Oprah of audio” for his billion-download show and known for NYT-bestsellers like The 4-Hour Workweek—found himself at a crossroads. Despite generating a multi-million-dollar annual revenue with just three... View Details
- 2024
- Working Paper
Categorical Processing in a Complex World
By: Marco Sammon, Thomas Graeber and Christopher Roth
In real-world news environments, quantitative information is rarely presented in isolation; it is characterized through qualitative comparisons with various reference levels. Company earnings, for example, are commonly compared to analyst forecasts, previous earnings,... View Details
- September 2024 (Revised October 2024)
- Case
River Remedy: Navigating Mississippi’s Medical Marijuana Market
By: Robin Greenwood, Richard S. Ruback and Robert Ialenti
MBA student William Chism, the founder of a fully integrated medical marijuana company based in Mississippi, must respond to a significant disruption in the fledgling industry. In late 2023, Rapid Analytics, one of two active licensed testing facilities, has its... View Details
Keywords: Plant-Based Agribusiness; Business Growth and Maturation; Forecasting and Prediction; Microeconomics; Local Range; Government Legislation; Demand and Consumers; Supply and Industry; Competitive Strategy; Governance Controls; Agriculture and Agribusiness Industry; Consumer Products Industry; Mississippi
- July 2024 (Revised January 2025)
- Case
Dynamic Pricing at Wendy's: Where's the Beef?
By: Elie Ofek, Alicia Dadlani and Martha Hostetter
In early 2024, Wendy’s new CEO announced on an earnings call that the company would install digital menus in its US locations so it could begin testing dynamic pricing—changing prices up or down in response to shifts in supply and demand – as well as allow engaging in... View Details
- July 2024
- Supplement
Fail Safe Testing, Inc. (A)
By: Richard S. Ruback and Royce Yudkoff
Pre-Abstract: Instructors should consider the timing of making videos available to students, as they may reveal key case details.
Abstract: Fail Safe Testing, Inc., founded in 1988, was the leading provider of fire hose pressure testing, ground ladder and pump... View Details
Abstract: Fail Safe Testing, Inc., founded in 1988, was the leading provider of fire hose pressure testing, ground ladder and pump... View Details
- July 2024
- Supplement
Fail Safe Testing, Inc. (B)
By: Richard S. Ruback and Royce Yudkoff
Pre-Abstract: Instructors should consider the timing of making videos available to students, as they may reveal key case details.
Abstract: Fail Safe Testing, Inc., founded in 1988, was the leading provider of fire hose pressure testing, ground ladder and pump... View Details
Abstract: Fail Safe Testing, Inc., founded in 1988, was the leading provider of fire hose pressure testing, ground ladder and pump... View Details
- June 2024 (Revised August 2024)
- Case
Revlon India's Turnaround: Navigating Online-Offline Decisions Using a Balanced Scorecard
By: Tatiana Sandino and Samuel Grad
Revlon India was founded as a joint venture in 1995, pairing the industrial conglomerate UMG with the global beauty brand Revlon, Inc. to bring international color cosmetics to India. After growing rapidly and pioneering the Beauty Advisor (BA) model in India, the... View Details
Keywords: Balanced Scorecard; Restructuring; Training; Supply Chain Management; Distribution; E-commerce; Business Model; Business Plan; Decision Choices and Conditions; Marketing Strategy; Alignment; Brands and Branding; Negotiation; Joint Ventures; Strategic Planning; Salesforce Management; Competition; Retail Industry; Consumer Products Industry; Beauty and Cosmetics Industry; India