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- September 2025
- Article
Public Disclosure of Private Meetings: Does Observing Peers’ Information Acquisition Affect Analysts’ Attention Allocation?
By: Yi Ru, Ronghuo Zheng and Yuan Zou
We investigate the impact of observing peers’ information acquisition on financial analysts’ allocation of attention. Using the timely disclosure mandate by the Shenzhen Stock Exchange as a setting, we find that, shortly after analysts observe that a firm has been... View Details
- 2025
- Working Paper
Emotional Manipulation by AI Companions
By: Julian De Freitas, Zeliha Oğuz-Uğuralp and Ahmet Kaan-Uğuralp
AI-companion apps such as Replika, Chai, and Character.ai promise relational benefits—yet many boast session lengths that rival gaming platforms while suffering high long-run churn. What conversational design features increase consumer engagement, and what trade-offs... View Details
- 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
- July 2025
- Teaching Note
Greenwood Online: A Fin-Tech Service for Culture and Community
By: James Riley and Bernal Cortés
In 2020, Ryan Glover and Paul Judge launched Greenwood, a fintech startup designed to counter systemic racial discrimination in the American banking ecosystem by offering accessible financial services tailored to Black and Brown communities, but available to all.... View Details
- July 2025
- Case
Greenwood Online: A Fin-Tech Service for Culture and Community (A)
By: James Riley and Bernal Cortés
In 2020, Ryan Glover and Paul Judge launched Greenwood, a fintech startup designed to counter systemic racial discrimination in the American banking ecosystem by offering accessible financial services tailored to Black and Brown communities, but available to all.... View Details
- July 2025
- Case
SecureID: Digital Disruptions of Smartcards in Africa
By: Ramon Casadesus-Masanell, Raffaella Sadun, Pippa Tubman Amerding and Namrata Arora
This case explores the strategic inflection point faced by Kofo Akinkugbe, founder and CEO of SecureID, a smartcard manufacturing company in Nigeria. With the rise of fintech and digital payment solutions threatening the dominance of physical cards, SecureID must... View Details
- July 2025
- Case
Osteoboost: Go-To-Market Strategy in a Healthcare Startup
Osteoboost focuses on how a health care Medtech startup with a new device for treating osteopenia. The firm decides among alternative go-to-market strategies, including B2B (the firm to healthcare providers), DTC (directly to consumers), or some combination of the two... View Details
- 2025
- Working Paper
Rethinking Volume
By: Philippe van der Beck, Lorenzo Bretscher and Zhiyu Julie Fu
Gross trading volumes in financial markets are large and far exceed return volatility. In contrast, “net volume”—trading from persistent portfolio reallocations—is substantially lower, as it excludes transitory round-trip trades. This observation reveals a fundamental... View Details
- June 2025
- Case
Assessing the Offers for Seven & i Holdings
By: Benjamin C. Esty, Nobuo Sato and Akiko Kanno
In the fall of 2024, the board of Seven and i Holdings Company (7&i, the parent company of 7-Eleven convenience stores in the US, Japan, and other countries) received multiple offers to buy the company. Two successive (and unsolicited) offers came from Alimentation... View Details
Keywords: Corporate Governance; Valuation; Value Creation; Bids and Bidding; Financial Strategy; Negotiation Offer; Mergers and Acquisitions; Corporate Finance; Business Conglomerates; Leveraged Buyouts; Governing Rules, Regulations, and Reforms; Retail Industry; Food and Beverage Industry; Japan; Canada
- June 2025
- Case
Zerodha
By: Das Narayandas and Kairavi Dey
Zerodha Broking Pvt. Ltd. (Zerodha) was among India's largest online broking platforms. Nithin and Nikhil Kamath started Zerodha to empower retail investors and remove the hurdles to investing in stocks. The company pioneered tech-first discount broking, charging... View Details
Keywords: Financial Services Industry
- 2025
- Working Paper
Heterogeneous Beliefs and Stock Market Fluctuations
By: Odhrain McCarthy and Sebastian Hillenbrand
This paper examines the role of heterogeneous investor beliefs in explaining stock market puzzles. Using survey data, we show that individual investors and investment professionals, such as equity analysts and strategists, form distinct beliefs. These groups rely on... View Details
- June 2025
- Case
VC Exits in Africa: Knife Capital and Quicket
By: Paul A. Gompers, Emanuele Colonnelli, Maagatha Kalavadakken and Namrata Arora
Keet van Zyl and Eben van Heerden, co-founders of Knife Capital, face a critical decision point with their investment in Quicket, a prominent South African ticketing company. As the global ticketing industry recovers, they are exploring strategic exit options to... View Details
Keywords: Financial Services Industry
- 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; Financial Liquidity; Financial Instruments; Financial Strategy; Interest Rates; Governing and Advisory Boards; Crisis Management; Resource Allocation; Investment; Financial Services Industry; United Kingdom; England; London; Europe
- 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
- June 2025
- Article
Passive Ownership and Price Informativeness
By: Marco Sammon
I show that passive ownership negatively affects the degree to which stock prices anticipate earnings announcements. Estimates across several research designs imply that the rise in passive ownership over the last 30 years has caused the amount of information... View Details
Keywords: Passive Ownership; ETFs; Market Efficiency; Price; Investment Funds; Stocks; Communication
- 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; Business and Shareholder Relations; Sports Industry; Entertainment and Recreation Industry; Travel Industry; United States; Australia; Canada
- June 2025
- Article
Who Benefits from Online Gig Economy Platforms?
By: Christopher T. Stanton and Catherine Thomas
Online labor platforms for short-term, remote work have many more job seekers than available jobs. Despite their relative abundance, workers capture a substantial share of the surplus from transactions. We draw this conclusion from demand estimates that imply workers'... View Details
- 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
- 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
- May 2025 (Revised June 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: 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; Microfinance; Governing Rules, Regulations, and Reforms; Financial Services Industry; Financial Services Industry; Financial Services Industry; Financial Services Industry; Latin America; Brazil; Mexico; Argentina; Colombia; Chile; Guatemala; Central America; Peru; Uruguay