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- August 2025
- Article
Revenue Collapses and the Consumption of Small Business Owners in the COVID-19 Pandemic
By: Olivia S. Kim, Jonathan A. Parker and Antoinette Schoar
Using financial account data linking small businesses to their owner households, we examine how business owners’ consumption responded to changes in business revenues during the COVID-19 crisis. In the first two months following the National Emergency, business... View Details
Kim, Olivia S., Jonathan A. Parker, and Antoinette Schoar. "Revenue Collapses and the Consumption of Small Business Owners in the COVID-19 Pandemic." Art. 104079. Journal of Financial Economics 170 (August 2025).
- July–August 2025
- Article
Don’t Let an AI Failure Harm Your Brand
How companies market their AI systems affects the repercussions they face when their products fail. Marketers must promote their AI products with potential failure in mind. To do that, they must first understand consumers’ unique attitudes toward AI. Marketers who... View Details
Keywords: AI and Machine Learning; Brands and Branding; Product Marketing; Consumer Behavior; Attitudes
De Freitas, Julian. "Don’t Let an AI Failure Harm Your Brand." Harvard Business Review 103, no. 4 (July–August 2025): 126–133.
- June 2025
- Teaching Note
Market Dynamics and Moral Dilemmas: Novo Nordisk’s Weight Loss Drugs
- June 2025
- Case
Full-funnel Advertising on TikTok
By: Jeremy Yang, Ayelet Israeli and Alexis Lefort
In 2025 TikTok is working to grow its brand and performance advertising business, along with a new integrated full-funnel solution. As an emerging media platform with unique ad formats and user behavior in a privacy-first environment, TikTok faces both significant... View Details
- June 2025
- Case
TagHive: Edtech Pricing and Distributor Decisions
By: Isamar Troncoso, Frank V. Cespedes and Stacy Straaberg
Education technology (edtech) company TagHive, founded in 2017, used a direct sales team and third-party distributors to sell its Class Saathi hardware and software solution to 300 clients, mainly primary and secondary schools in India. The product aimed to improve... View Details
Keywords: Business Model; Marketing Channels; Marketing Strategy; Product Marketing; Social Marketing; Information Infrastructure; Information Technology; Internet and the Web; Mobile and Wireless Technology; Technology Adoption; Education; Teaching; Price; Customer Relationship Management; Customer Satisfaction; Growth and Development; Technological Innovation; Education Industry; Technology Industry; India; South Korea
- June 2025
- Case
TfL Pension Fund and the 2022 Gilt Market Crisis
By: Emil N. Siriwardane, Vincent Dessain, Emer Moloney and Carlota Moniz
On September 27, 2022, Padmesh Shukla, CIO of the Transport for London (TfL) Pension Fund, was keeping a careful eye on the turmoil in the U.K. sovereign bond (or gilt) market. When the new government announced the largest tax cuts the U.K. had seen in half a century,... View Details
Keywords: Financial Crisis; Macroeconomics; Assets; Asset Management; Borrowing and Debt; Corporate Finance; Capital Markets; Equity; Public Equity; Private Equity; Financial Liquidity; Financial Instruments; Debt Securities; Credit Derivatives and Swaps; Bonds; Stocks; Financial Strategy; Interest Rates; Governance; Governing and Advisory Boards; Crisis Management; Resource Allocation; Investment; Financial Services Industry; United Kingdom; England; London; Europe
- 2025
- Working Paper
Fiscal Externalities of Transaction Taxes: Evidence from the Los Angeles Mansion Tax
By: Daniel Green, Vikram Jambulapati, Jack Liebersohn and Tejaswi Velayudhan
We estimate the fiscal externalities of a property transfer tax, the Los Angeles
“Mansion Tax”, on the revenues from property taxes when assessed values are closely
tied to transactions. In California, as in over half of U.S. states, growth in tax as-
sessments... View Details
Green, Daniel, Vikram Jambulapati, Jack Liebersohn, and Tejaswi Velayudhan. "Fiscal Externalities of Transaction Taxes: Evidence from the Los Angeles Mansion Tax." SSRN Working Paper Series, No. 5273034, June 2025.
- May–June 2025
- Article
Algorithmic Assortment Curation: An Empirical Study of Buybox in Online Marketplaces
By: Santiago Gallino, Nil Karacaoglu and Antonio Moreno
Most online sales worldwide take place in marketplaces that connect sellers and buyers. The presence of numerous third-party sellers leads to a proliferation of listings for each product, making it difficult for customers to choose between the available options. Online... View Details
Keywords: Algorithms; Marketplaces; Marketplace Matching; E-commerce; Demand and Consumers; Customer Focus and Relationships; Market Participation; Technology Adoption
Gallino, Santiago, Nil Karacaoglu, and Antonio Moreno. "Algorithmic Assortment Curation: An Empirical Study of Buybox in Online Marketplaces." Manufacturing & Service Operations Management 27, no. 3 (May–June 2025): 917–934.
- May–June 2025
- Article
Balancing Digital Safety and Innovation
By: Tomomichi Amano and Tomomi Tanaka
Designers of consumer-facing digital products have tended to focus on novelty and speed (“move fast and break things”). They’ve spent more effort on innovating than on anticipating how customers—and bad actors—might engage with products. But as digital products become... View Details
Amano, Tomomichi, and Tomomi Tanaka. "Balancing Digital Safety and Innovation." Harvard Business Review 103, no. 3 (May–June 2025): 120–127.
- June 2025
- Article
Collusion in Brokered Markets
By: John William Hatfield, Scott Duke Kominers and Richard Lowery
High commissions in the U.S. residential real estate agency market present a puzzle for economic theory because brokerage is not a concentrated industry. We model brokered markets as a game in which agents post prices for customers and then choose which other agents to... View Details
Keywords: Real Estate Agents; Real Estate; Realtors; Broker Networks; Brokerage; Brokerage Commissions; "Brokerage Industry; Brokered Markets; Brokering; Brokers; Industrial Organization; Repeated Game Framework; "Repeated Games"; Collusion; Antitrust; Microeconomics; Market Design; Theory; Game Theory; Real Estate Industry
Hatfield, John William, Scott Duke Kominers, and Richard Lowery. "Collusion in Brokered Markets." Journal of Finance 80, no. 3 (June 2025): 1417–1462.
- Summer 2025
- Article
Dynamic Competition for Customer Memberships
By: Cristian Chica, Julian Jimenez-Cardenas and Jorge Tamayo
A competitive two-period membership (subscription) market is analyzed. Two symmetric firms charge a “membership” fee that allows consumers to buy products or services at a given unit price for both periods. Firms can choose between long- or short-term memberships. When... View Details
Keywords: Competitive Price Discrimination; Membership; Dynamic Competition; Competition; Price; Consumer Behavior; Business Model
Chica, Cristian, Julian Jimenez-Cardenas, and Jorge Tamayo. "Dynamic Competition for Customer Memberships." Journal of Economics & Management Strategy 34, no. 2 (Summer 2025): 525–556.
- June 2025
- Article
Integral Outside: The Financial Curb Market, the Electric Telegraph, and the Politics of Pricing in Second Empire France
Financial markets in nineteenth-century France were far more complex than an analysis of the official Bourse or its state-authorized brokers would suggest. Most financial transactions occurred on an illegal yet tacitly tolerated curb market called the coulisse, which... View Details
Robertson, Charlotte. "Integral Outside: The Financial Curb Market, the Electric Telegraph, and the Politics of Pricing in Second Empire France." Journal of Modern History 97, no. 2 (June 2025): 307–347.
- 2025
- Working Paper
Pushing the Envelope: The Effects of Salary Negotiations
By: Zoë B. Cullen, Bobak Pakzad-Hurson and Ricardo Perez-Truglia
Salary negotiations are a widespread phenomenon that can shape key labor market outcomes, such as welfare and inequality. We provide novel empirical and theoretical insights into the causes and consequences of salary negotiations. We conducted two field experiments... View Details
Cullen, Zoë B., Bobak Pakzad-Hurson, and Ricardo Perez-Truglia. "Pushing the Envelope: The Effects of Salary Negotiations." NBER Working Paper Series, No. 33903, June 2025.
- June 2025
- Case
Vail Resorts: Responding to Activist Pressure (A)
By: Benjamin C. Esty and Edward A. Meyer
On January 27, 2025, the head of a relatively small hedge fund named Late Apex Partners sent a highly critical letter to the board of directors of Vail Resorts, the world’s largest ski resort operator. In his letter, and the 88-slide presentation that accompanied his... View Details
Keywords: Corporate Finance; Capital Budgeting; Corporate Governance; Competitive Advantage; Competitive Strategy; Leading Change; Valuation; Investment Activism; Climate Change; Management Succession; Financial Management; Risk Management; Entertainment and Recreation Industry; Entertainment and Recreation Industry; Entertainment and Recreation Industry; United States; Australia; Canada
Esty, Benjamin C., and Edward A. Meyer. "Vail Resorts: Responding to Activist Pressure (A)." Harvard Business School Case 225-082, June 2025.
- 2025
- Working Paper
An Empirical Examination of Business Climate Alliances: Effective and/or Harmful?
By: Matteo Gasparini and Peter Tufano
This research studies business alliances that seek to address climate change, offering empirical evidence to address claims advanced by alliance supporters and critics. We study eleven major alliances mostly focused on financial services firms and 424 major... View Details
Keywords: Antitrust; Climate Change; Financial Institutions; Competition; Network Effects; Alliances
Gasparini, Matteo, and Peter Tufano. "An Empirical Examination of Business Climate Alliances: Effective and/or Harmful?" Harvard Business School Working Paper, No. 25-060, May 2025.
- May 2025
- Case
Christina Bwana: Cultural Transformation at Ubongo
By: Anthony J. Mayo, Letian Zhang, Pippa Tubman Armerding and Temitayo Lawal
- Working Paper
Index Rebalancing and Stock Market Composition: Do Indexes Time the Market?
By: Marco Sammon and John J. Shim
Value-weighted indexes must rebalance in response to stock market composition changes, e.g., issuance, buybacks, and IPOs. In doing so, existing index funds implicitly engage in market timing. Index funds’ long-short rebalancing portfolios have a -3.5% annual return... View Details
Sammon, Marco, and John J. Shim. "Index Rebalancing and Stock Market Composition: Do Indexes Time the Market?" SSRN Working Paper Series, No. 5080459, May 2025.
- May 2025
- Case
stc Group: DARE to Transform
By: Sunil Gupta and Sadika El Hariri
Established as a government-owned entity in 1998, stc Group was the sole telecommunications operator in the Kingdom of Saudi Arabia (KSA). Soon after it was privatized in 2003, regional players started entering the Saudi market. To deal with the competition and to... View Details
- May 2025
- Background Note
Social Enterprise in Latin America
By: Brian L. Trelstad and Karina Souza
This research note provides an overview of the social enterprise ecosystem in Latin America, exploring current dynamics across key markets, including country-specific insights on Brazil, Mexico, Argentina, Colombia, Chile, and Central America. In a region characterized... View Details
Keywords: Latin America; Brazil; Mexico; Argentina; Colombia; Chile; Impact Investing; Developing Countries and Economies; Social Entrepreneurship; Emerging Markets; Corporate Social Responsibility and Impact; Mission and Purpose; Ownership; Social Enterprise; Business Strategy; Equality and Inequality; Agriculture and Agribusiness Industry; Agriculture and Agribusiness Industry; Agriculture and Agribusiness Industry; Agriculture and Agribusiness Industry; Latin America; Brazil; Mexico; Argentina; Colombia; Chile; Guatemala; Central America
- May 2025
- Case
Initial Financial Statements at Blank Corporation: Bridging Content and Commerce
By: Jung Koo Kang, Panje Jayden Kim and David Allen
This accounting case is intended to teach students how to compile an income statement, a balance sheet, and a cash flow statement. It focuses on Blank Corporation, an innovative South Korean company that bridged content and commerce by selling products directly through... View Details