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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
      Keywords: Revenue; Small Business; Health Pandemics; Spending; Consumer Behavior
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      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).
      • 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
      Keywords: Public Finance; Real Estate; Property Demand; Taxation; Property; Revenue; Los Angeles
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      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

      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
      Keywords: Technological Innovation; Cybersecurity; Demand and Consumers; Safety
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      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
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      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
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      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.
      • 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
      Keywords: Investment Funds; Financial Markets; Market Timing; Investment Return
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      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
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      Gupta, Sunil, and Sadika El Hariri. "stc Group: DARE to Transform." Harvard Business School Case 525-013, May 2025.
      • 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; Banking Industry; Financial Services Industry; Information Technology Industry; Latin America; Brazil; Mexico; Argentina; Colombia; Chile; Guatemala; Central America
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      Trelstad, Brian L., and Karina Souza. "Social Enterprise in Latin America." Harvard Business School Background Note 325-117, May 2025.
      • 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
      Keywords: Accounting; Financial Statements; Business Startups; Social Media; Advertising; Digital Marketing; Consumer Products Industry; South Korea
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      Kang, Jung Koo, Panje Jayden Kim, and David Allen. "Initial Financial Statements at Blank Corporation: Bridging Content and Commerce ." Harvard Business School Case 125-021, May 2025.
      • May 2025
      • Teaching Note

      Boutiqaat: Influencing Retail in MENA

      By: Juan Alcacer and Noor Al Qadhi
      Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details
      Keywords: Emerging Markets; Digital Strategy; Growth and Development; Beauty and Cosmetics Industry; Retail Industry; Kuwait; Saudi Arabia; Middle East; North Africa
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      Alcacer, Juan, and Noor Al Qadhi. "Boutiqaat: Influencing Retail in MENA." Harvard Business School Teaching Note 725-463, May 2025.
      • May 2025
      • Case

      Boutiqaat: Influencing Retail in MENA

      By: Juan Alcacer and Noor Al Qadhi
      Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details
      Keywords: Emerging Markets; Digital Strategy; Growth and Development; Beauty and Cosmetics Industry; Retail Industry; Kuwait; Saudi Arabia; Middle East; North Africa
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      Alcacer, Juan, and Noor Al Qadhi. "Boutiqaat: Influencing Retail in MENA." Harvard Business School Case 725-462, May 2025.
      • May 2025
      • Teaching Note

      Liz Truss and the Thatcher Legacy: Markets and Fiscal Dominance in the United Kingdom

      By: Rafael Di Tella
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      Di Tella, Rafael. "Liz Truss and the Thatcher Legacy: Markets and Fiscal Dominance in the United Kingdom." Harvard Business School Teaching Note 725-041, May 2025.
      • 2025
      • Working Paper

      Data-driven Technologies and Local Information Advantages in Small Business Lending

      By: Wilbur Chen, Jung Koo Kang and Aditya Mohan
      We investigate whether banks' adoption of data-driven technologies influences competitive dynamics in local small business lending by diminishing the information advantages traditionally held by local banks. Using local newspaper closures as an adverse shock to the... View Details
      Keywords: Data-driven Technologies; Local Information Advantages; Local Banks; Relationship Lending; Small Business Loans; Small Business; Local Range; Financing and Loans; Banks and Banking; Analytics and Data Science; Banking Industry
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      Chen, Wilbur, Jung Koo Kang, and Aditya Mohan. "Data-driven Technologies and Local Information Advantages in Small Business Lending." Harvard Business School Working Paper, No. 25-057, May 2025.
      • May 2025
      • Supplement

      On (B): The Cyclon Spins On

      By: Ramon Casadesus-Masanell, Karolin Frankenberger, Sascha Mader and Karen Elterman
      A follow-up to the On case, this short case explores how the performance athletic shoe company On expanded its Cyclon subscription and recycling program through 2024, adding two new shoe models to the subscription and a one-time-purchase recyclable T-shirt. View Details
      Keywords: Business Model; Business Strategy; Competitive Advantage; Competitive Strategy; Disruptive Innovation; Distribution Channels; Environmental Sustainability; Innovation and Invention; Marketing Strategy; Product Design; Product Development; Strategy; Technological Innovation; Apparel and Accessories Industry; Consumer Products Industry; Manufacturing Industry; Retail Industry; Sports Industry; China; Europe; Germany; Japan; Switzerland; United States
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      Casadesus-Masanell, Ramon, Karolin Frankenberger, Sascha Mader, and Karen Elterman. "On (B): The Cyclon Spins On." Harvard Business School Supplement 725-475, May 2025.
      • May 2025
      • Case

      'Net Zero in Action': Impact Investing at the McKnight Foundation

      By: Lauren Cohen, Christina R. Wing and Sophia Pan
      Elizabeth McGeveran, Vice President of Investments at the McKnight Foundation, reflected on how to effectively advance the organization’s net-zero strategy. The foundation had committed 10% of its endowment to building a portfolio of impact investments and was among... View Details
      Keywords: Investment Fund; Philanthropy; Charitable Donations; Sustainability; Foundation; Impact Investing; ESG; Family Business; Forecasting and Prediction; Private Sector; Renewable Energy; Social Entrepreneurship; Climate Change; Environmental Sustainability; Green Technology; Financial Strategy; Investment Funds; Investment Portfolio; Institutional Investing; Corporate Accountability; Corporate Social Responsibility and Impact; Mission and Purpose; Private Ownership; Philanthropy and Charitable Giving; Social Issues; Sustainable Cities; Financial Services Industry; Minnesota; United States
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      Cohen, Lauren, Christina R. Wing, and Sophia Pan. "'Net Zero in Action': Impact Investing at the McKnight Foundation." Harvard Business School Case 225-095, May 2025.
      • May 2025
      • Case

      The Video-Streaming Wars in 2025: Can Anyone Catch Netflix?

      By: Anita Elberse and Javiera Larenas
      On January 21, 2025, Ted Sarandos, co-chief executive officer of video-streaming service Netflix, presented the company’s quarterly earnings. He had every reason to be upbeat: Netflix added 19 million new subscribers in the final quarter of 2024, ended the year with a... View Details
      Keywords: Entertainment; Media; Television; Management; Strategy; Disruption; Technology; Competition
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      Elberse, Anita, and Javiera Larenas. "The Video-Streaming Wars in 2025: Can Anyone Catch Netflix?" Harvard Business School Case 525-059, May 2025.
      • May 2025 (Revised May 2025)
      • Case

      Netflix Beyond Streaming: Strategies for the Next Era of Entertainment

      By: Juan Alcacer and Lorenzo Lucidi
      Netflix loses subscribers for the first time in over a decade—can the streaming pioneer reinvent itself before competitors, costs, and churn catch up? In 2022, facing fierce competition and shifting consumer behaviors, Netflix confronts its most critical strategic... View Details
      Keywords: United States; Australia; Brazil; Canada; France; Germany; India; Japan; Mexico; Russia; South Korea; Spain; United Kingdom
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      Alcacer, Juan, and Lorenzo Lucidi. "Netflix Beyond Streaming: Strategies for the Next Era of Entertainment." Harvard Business School Case 725-429, May 2025. (Revised May 2025.)
      • 2025
      • Working Paper

      Bank Financing of Global Supply Chains

      By: Laura Alfaro, Mariya Brussevich, Camelia Minoiu and Andrea Presbitero
      Finding new international suppliers is costly, so most importers source inputs from a single country. We examine the role of banks in mitigating trade search costs during the 2018–2019 U.S.-China trade tensions. We match data on shipments to U.S. ports with the U.S.... View Details
      Keywords: Financial Institutions; International Finance; Trade; Credit; United States; Asia
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      Alfaro, Laura, Mariya Brussevich, Camelia Minoiu, and Andrea Presbitero. "Bank Financing of Global Supply Chains." NBER Working Paper Series, No. 33754, May 2025.
      • 2025
      • Working Paper

      Corporate Actions as Moral Issues

      By: Zwetelina Iliewa, Elisabeth Kempf and Oliver Spalt
      We examine nonpecuniary preferences across a broad set of corporate actions using a representative sample of the U.S. population. Our core findings, based on large-scale online surveys, are that (i) self-reported nonpecuniary concerns are large both for stock market... View Details
      Keywords: Public Opinion; Corporate Social Responsibility and Impact; Moral Sensibility
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      Iliewa, Zwetelina, Elisabeth Kempf, and Oliver Spalt. "Corporate Actions as Moral Issues." NBER Working Paper Series, No. 33749, May 2025.
      • 2024
      • Case

      EPCorp: Convincing the C-Suite

      By: Jacob M. Cook
      In EPCorp: Convincing the C-Suite, Shivani Bahl is attempting to sell EPCorp's CEO, Debbie Sullivan, on her ideas for not only a new website upgrade but also a more expansive vision on how data and Generative AI can be used to grow the company. Debbie is understandably... View Details
      Keywords: AI and Machine Learning; E-commerce; Growth and Development Strategy
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      Cook, Jacob M. "EPCorp: Convincing the C-Suite." Harvard Business Publishing Case, 2024. (Quick Case.)
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