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- 2025
- Working Paper
Extractive Taxation and the French Revolution
By: Tommaso Giommoni, Gabriel Loumeau and Marco Tabellini
We study the fiscal determinants of the French Revolution, exploiting plausibly exogenous variation in the salt tax—a large source of royal revenues and one of the most extractive forms of taxation of the Ancien Régime. Implementing a Regression Discontinuity... View Details
- March 2025
- Case
Calyx Global: Rating Carbon Credits
By: Michael W. Toffel and Adam Chen
This case describes how rating agencies and other organizations are seeking to improve the quality of carbon credits sold in the voluntary carbon market to organizations seeking to use them to supplement their internal decarbonization efforts to meet their net zero... View Details
- March 2025 (Revised April 2025)
- Case
Perplexity: Redefining Search
By: Suraj Srinivasan, Michelle Hu, Sriraghav Srinivasan and Radhika Kak
By early 2025, Perplexity had rapidly evolved from a modest startup into a popular "answer engine" valued at $9 billion. The company had boldly positioned itself as the disruptor to Google aiming to redefine search for the AI age. Through novel AI... View Details
- March 2025
- Case
Metaphysic AI: Rethinking the Value of Human Expertise
By: Zoë B. Cullen, Shikhar Ghosh and Shweta Bagai
In early 2025, Thomas Graham, CEO of Metaphysic, a leading AI generative video company confronted fundamental questions about who should control digital identity in a world where AI could perfectly recreate human likeness. Founded in 2021, Metaphysic first rose to fame... View Details
- February 2025 (Revised March 2025)
- Case
Accounting for Bitcoin at Block
By: Charles C.Y. Wang, Seil Kim and Sa-Pyung Sean Shin
Abstract: This case explores Block Inc.'s accounting practices for Bitcoin transactions and their impact on financial reporting. Following a 10% stock price drop after missing revenue estimates in Q3 2024, Block faced scrutiny over its Bitcoin-driven revenue model.... View Details
- 2025
- Working Paper
Tax Planning, Illiquidity, and Credit Risks: Evidence from DeFi Lending
By: Lisa De Simone, Peiyi Jin and Daniel Rabetti
This study establishes a plausible causal link between tax-planning-induced illiquidity and credit risks in lending markets. Exploiting an exogenous tax shock imposed by the Internal Revenue Service (IRS) on cryptocurrency gains, along with millions of transactions in... 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; Banking Industry; Financial Services Industry; Information Technology Industry; Technology Industry; Africa; Nigeria; South Africa; Kenya; Uganda; California; San Francisco
- January 2025
- Case
Real Madrid Club de Fútbol
By: Anita Elberse, Juan Pasquín and Íñigo Pasquín
On June 1, 2024, Spanish soccer club Real Madrid captures its fifteenth Champions League title—more than double the tally of the nearest competitor. Under Florentino Pérez’s leadership, the club has now won six of the last eleven UEFA Champions League titles, and has... View Details
- November 2024
- Supplement
AlphaGo (C): Birth of a New Intelligence
By: Shikhar Ghosh and Shweta Bagai
This case, the final of a three-part series, explores DeepMind's pivotal transition from mastering games to solving real-world scientific challenges. In December 2020, DeepMind's AI system AlphaFold 2 achieved a breakthrough by solving protein folding—a 50-year-old... View Details
Keywords: Autonomy; Deep Learning; Drug Discovery; Healthcare Innovation; Neural Networks; Scientific Research; Technology Startup; AI and Machine Learning; Technological Innovation; Research and Development; Business Model; Business Strategy; Open Source Distribution; Technology Industry; United States
- November 2024
- Case
Group AMANA: Built to Last
By: Hise Gibson and Fares Khrais
The case chronicles the Bsaibes brothers’ journey in founding and operating Group AMANA; a contracting business founded in 1993, based in the United Arab Emirates with operations across the Middle East. Over the years, the business found itself grappling with major... View Details
- October 2024
- Supplement
Hakluyt: from Corporate Intelligence to Trusted Advisors (B)
By: Joseph B. Fuller and Lena Duchene
This case is a continuation of an earlier study chronicling Hakluyt & Company (Hakluyt)’s transformation from an obscure boutique to a global corporate advisory firm with an outsized reputation. In August 2024, the firm faced a pivotal moment as managing partner Varun... View Details
Keywords: Business Growth and Maturation; Business Model; Talent and Talent Management; Capital Structure; Cash Flow; Corporate Finance; Equity; Stock Shares; Corporate Governance; Business History; Compensation and Benefits; Recruitment; Leadership Style; Growth Management; Management Succession; Management Teams; Organizational Culture; Performance Evaluation; Networks; Partners and Partnerships; Business Strategy; Competitive Advantage; Consulting Industry; Europe; United Kingdom; England; London
- September 2024
- Case
Eat App: Building and Monetizing an End-to-End Dining Experience Solution
By: Elie Ofek and Ahmed Dahawy
Founded in 2015 in Bahrain, Eat App was an up-and-coming player in the global restaurant management software business. In early 2024, having shifted to a product-led growth strategy, the company’s co-founders faced a host of decisions that could greatly impact their... View Details
- August 2024
- Case
Iogen: Decarbonizing Hard-to-Abate Sectors
By: George Serafeim, Charlotte Foody and John Mulliken
Brian Foody, CEO of Iogen Corporation, was an early leader in advanced biofuels, developing a range of technologies to transform agricultural waste into transportation fuel. With $100 million in revenue and 350 patents across various biofuel technologies, Iogen was... View Details
- June 2024
- Case
Growing Foodology into Latin America's Largest Platform for Virtual Restaurants
By: Jorge Tamayo, Rembrand Koning and Jenyfeer Martinez Buitrago
This case delves into the expansion strategy of Foodology, a cloud kitchen startup based in Bogotá that operated across four Latin American countries (Colombia, Brazil, Mexico, and Peru). Co-founders Daniela Izquierdo and Juan Guillermo Azuero (both HBS, 2019) grappled... View Details
Keywords: Entrepreneurship; Food; Digital Platforms; Product Launch; Growth and Development Strategy; Business Strategy; Business Model; Business Startups; Profit; Marketing Strategy; Expansion; Diversification; Food and Beverage Industry; Latin America; South America; Colombia; Brazil; Mexico; Peru
- June 2024
- Module Note
Value Creation Potential of New Business Models
By: David J. Collis
A business model is composed of three elements. These describe a generic way of creating value and identify the maximum potential value of that model for customers. The elements of a business model are the “job to be done” for the customer, the asset configuration, or... View Details
- April 2024 (Revised December 2024)
- Case
Anthropic: Building Safe AI
By: Shikhar Ghosh and Shweta Bagai
In late 2024, Anthropic, a leading AI safety and research company, achieved a significant breakthrough with computer use capabilities that allowed AI to interact with computers like humans. Co-founded by former OpenAI employees and known for its generative AI... View Details
- February 2024
- Teaching Note
AB InBev: Brewing Up Forecasts during COVID-19
By: Mark Egan and C. Fritz Foley
Teaching Note for HBS Case No. 224-020. In July 2021, the CEO of AB InBev's European operations and his team strategized to position the company for success post-pandemic. As the world's largest beer company, boasting over 500 brands, revenue of $46 billion, and a... View Details
- February 2024
- Case
Tabby: Winning Consumers' Digital Wallets
By: Eva Ascarza and Fares Khrais
Hosam Arab (MBA 2009), cofounder and CEO of Tabby, a Saudi-based fintech startup, raised its Series D funding round in October 2023, four years after its inception, valuing it as a regional unicorn. Tabby's core product, a buy-now-pay-later (BNPL) service, allowed... View Details
- February 2024
- Case
FIGS: Scrubbing the Status Quo
By: Jeffrey F. Rayport and Nicole Tempest Keller
In October 2023, FIGS had revolutionized the medical scrubs industry with its fashionable and functional designs, but the venture was at a critical juncture. The digitally native vertical brand (DNVB) had gone public in a successful IPO in 2021 and reached $500 million... View Details
- January 2024
- Case
Sprouts Farmers Market
By: Rajiv Lal, Forest L. Reinhardt and Natalie Kindred
Sprouts Farmers Markets (Sprouts) is a Phoenix, Arizona-based chain of 400-plus natural foods stores in 23 U.S. states and $6.4 billion in sales as of 2022. In its product assortment, brand image, and store environment, Sprouts emphasizes freshness, health, innovation,... View Details