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- May 2025
- Case
Humana Commits to Value-Based Care
By: V.G. Narayanan, Henry Eyring and David Lane
In late 2023, CEO Bruce Broussard reviewed health insurer Humana’s transformation into a value-based care ecosystem. Under its CenterWell brand, the several millions of members in Humana Medicare Advantage plans now had access to Humana-provided primary care, home... View Details
- April 2025
- Case
JPMorganChase: Leadership in the Age of GenAI
By: Iavor I. Bojinov, Karim R. Lakhani and David Lane
Keywords: Banks and Banking; Governance Controls; Information Technology; AI and Machine Learning; Analytics and Data Science; Cybersecurity; Digital Platforms; Digital Transformation; Information Management; Information Infrastructure; Technology Adoption; Job Cuts and Outsourcing; Knowledge Management; Knowledge Sharing; Leading Change; Growth and Development Strategy; Marketing; Product Development; Performance Improvement; Customization and Personalization; Financial Services Industry; United States
- 2025
- Working Paper
Incentive-Compatible Recovery from Manipulated Signals, with Applications to Decentralized Physical Infrastructure
By: Jason Milionis, Jens Ernstberger, Joseph Bonneau, Scott Duke Kominers and Tim Roughgarden
We introduce the first formal model capturing the elicitation of unverifiable information from a party (the "source") with implicit signals derived by other players (the "observers"). Our model is motivated in part by applications in decentralized physical... View Details
- 2025
- Working Paper
Expert Patients’ Use of Avoidable Health Care
By: Amitabh Chandra, Pragya Kakani and Simone Matecna
We measure whether expert patients – those trained as physicians and nurses – have fewer emergency department visits and the reasons for these differences. Relative to similar patients physicians and nurses had 19.8% and 5.1% fewer ED visits, principally due to fewer... View Details
- 2025
- Working Paper
Blockchain-Induced Supply Chain Transparency and Firm Performance: The Role of Capacity Utilization
By: ShinWoo Lee Lee, Jedson Pinto, Daniel Rabetti and Gil Sadka
This study empirically investigates how blockchain adoption affects firm profitability. Employing a quasi-experimental design triggered by regulatory changes across the United States, we provide novel empirical evidence to recent theory, proposing that blockchain... View Details
- 2025
- Article
Educating Students and Professionals on the Business Implications of Climate Change
As climate change poses unprecedented challenges and opportunities, the private sector must play a pivotal role in both adaptation and mitigation efforts. This article discusses the new Harvard Business School Online course, Business and Climate Change, designed to... View Details
- 2025
- Working Paper
Blockchain Adoption and Audit Quality
By: Mei Luo, Daniel Rabetti and Shuangchen Yu
This study examines the impact of blockchain adoption in the corporate setting. Specifically, we provide comprehensive empirical support to recent theory (Cao, Cong, and Young, 2024) proposing that blockchain adoption positively affects endogenous audit quality and... View Details
- February 2025
- Article
Improving Customer Compatibility with Tradeoff Transparency
By: Ryan W. Buell and MoonSoo Choi
Through a large-scale field experiment with 393,036 customers considering opening a credit card account with a nationwide retail bank, we investigate how providing transparency into an offering’s tradeoffs affects subsequent rates of customer acquisition and long-run... View Details
- January 2025
- Case
Hebbia: Redefining Productivity for Knowledge Workers Using AI
By: Suraj Srinivasan and Minoshka Narayan
In early 2025, George Sivulka, founder and CEO of Hebbia, reflected on the company’s rapid ascent as a pioneer in GenAI-powered productivity tools for knowledge workers. With its proprietary technology, Hebbia had redefined information retrieval and analysis and earned... View Details
- January 2025
- Case
Untapped Global: Financing Africa's Missing Middle
By: Raymond Kluender and Emanuele Colonnelli
In November 2024, Jim Chu, founder and CEO of Untapped Global, faced mounting internal tensions over the company’s strategic direction. Untapped had developed a data-driven revenue-based financing (RBF) model to address the “missing middle” problem—the $5.2 trillion... View Details
Keywords: Social Entrepreneurship; Venture Capital; Working Capital; Private Equity; Financial Strategy; Microfinance; International Finance; Currency Exchange Rate; Profit Sharing; Revenue; Developing Countries and Economies; Economic Growth; Emerging Markets; Mission and Purpose; Small Business; Entrepreneurial Finance; Financial Services Industry; Financial Services Industry; Financial Services Industry; Financial Services Industry; Africa; Nigeria; South Africa; Kenya; Uganda; California; San Francisco
- February 2025
- Article
Innovations in Evaluating Ambulatory Costs of Cystic Fibrosis Care: A Comparative Study Across Multidisciplinary Care Centers in Ireland and the United States
By: Emma Brady, Ryan C. Perkins, Kate Cullen, Gregory S. Sawicki, Robert S. Kaplan and Gerardine Doyle
Lead clinicians at two large pediatric cystic fibrosis (CF) centers in the United States and Ireland measured and compared their ambulatory care costs. The clinicians selected three strata of patients (0–11 months, 1–5 years, and 6–17 years of age). Process maps were... View Details
- January 2025
- Teaching Note
Vytal: Packaging-as-a-Service
By: George Serafeim, Michael W. Toffel and Stacy Straaberg
Teaching Note for HBS Case No. 124-007. The Germany-based startup Vytal operated the largest digital-native reusable packaging-as-a-service network globally, having raised nearly €15 million, established a large network of restaurant partners, and prevented the use of... View Details
Keywords: Environmental Sustainability; Innovation and Invention; Business Growth and Maturation; Growth and Development Strategy; Business Startups; Resource Allocation; Risk Management; Adoption; Strategy; Performance Productivity; Service Delivery; Service Operations; Supply Chain; Distribution; Entrepreneurship; Climate Change; Business Model; Governing Rules, Regulations, and Reforms; Profit; Financing and Loans; Expansion; Service Industry; Service Industry; Service Industry; Germany; Europe
- January 2025 (Revised April 2025)
- Case
Mercado Libre: The Best Is Yet to Come
By: Krishna G. Palepu, Fernando Fragueiro, Carla Larangeira and Mariana Cal
In 2024, Marcos Galperín, CEO and co-founder of Mercado Libre, reflected on its 25-year rise as Latin America’s largest marketplace, fintech leader, and most valuable public company. With operations spanning 18 countries and a robust ecosystem combining e-commerce,... View Details
Keywords: Entrepreneurship; Multinational Firms and Management; Recruitment; Compensation and Benefits; Innovation Leadership; Innovation Strategy; Leadership Style; Business or Company Management; Management Practices and Processes; Management Succession; E-commerce; Emerging Markets; Distribution; Logistics; Organizational Culture; Organizational Design; Business Strategy; Competition; Financial Services Industry; Financial Services Industry; Financial Services Industry; Latin America; Mexico; Brazil; Argentina
- December 2024
- Case
Core Innovation Capital: Investing in Fintech for Good
In 2017, Arjan Schütte, founder of Core Innovation Capital, faced a decision on whether to invest in Hugo Insurance, an auto insurance startup. Core, an early-stage social impact VC firm, focused on “fintech for good,” by investing in financial services for low- to... 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
- December 2024 (Revised March 2025)
- Case
Strategy and CEO Succession at Starbucks
By: Krishna G. Palepu and David Lane
On August 13, 2024, Starbucks announced that Laxman Narasimhan who was appointed as the CEO only in September 2023, was stepping down as CEO and board director “with immediate effect.” Laxman would be replaced on September 9 by Brian Niccol, CEO since 2018 of Chipotle... View Details
Keywords: Strategy; Corporate Governance; Leadership; Management Succession; Cost Management; Labor Unions; Working Conditions; Order Taking and Fulfillment; Service Operations; Investment Activism; Governing and Advisory Boards; Resignation and Termination; Food and Beverage Industry; United States
- November–December 2024
- Article
Scaling Up Transformational Innovations
By: Peter Koen, Ananya Sheth, Mike DiPaola and Linda A. Hill
For large companies operating in mature sectors—such as Procter & Gamble in consumer goods, Apple in consumer electronics, and Adobe in cloud software—driving growth is a perennial challenge. Growth through acquisition is always an option, but companies often quickly... View Details
- October 2024
- Case
Tonik
By: Andy Wu, Maliha Malek Quadir and Aticus Peterson
This case study examines Tonik, the first digital bank in the Philippines, as it navigates the challenges of scaling its lending operations and achieving profitability in an evolving fintech landscape. It explores Tonik's journey from its launch in 2018 to early 2024,... View Details
- October 2024
- Case
Estímulo: Blended Finance in Brazil
By: Vikram S. Gandhi, James Barnett, Maxim Pike Harrell and Marina Osborn
In December 2022, Estímulo—a Brazilian impact investment fund supporting small businesses—found itself at a crossroads. The fund was established in 2020 to provide emergency relief through accessible credit and financial education. When low default rates from borrowers... View Details
- October 2024
- Case
Ranger Energy Services: Bridging Public & Private Markets
By: Joseph Pacelli, Ravi Ramniklal Gondalia and James Weber
In August of 2017, CSL Capital, a private equity fund founded and operated by Charlie Leykum (HBS ’04), was deciding to take one of its portfolio companies, Ranger Energy Services, public. Founded in 2014, Ranger Energy was an oilfield service company providing... View Details