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July 2025
Case

Mitsui & Co., Ltd.

By: Ramon Casadesus-Masanell and Akiko Saito

In 2025, Kenichi Hori, President and CEO of Mitsui & Co., Ltd.—one of Japan’s most prominent Sogo Shosha (investment and trading companies with sprawling global footprints)—reflected on the company’s record-breaking profits. Its operations spanned multiple... View Details

Keywords: Strategy; Management; Operations; Organizations; Japan

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

Keywords: Financial Markets; Investment Return; Asset Pricing; Volatility

2025
Working Paper

Sovereign Default and the Decline in Interest Rates

By: Max Miller, James D. Paron and Jessica Wachter

Sovereign debt yields have declined dramatically over the last half-century. Standard explanations, including aging populations and increases in asset demand from abroad, encounter difficulties when confronted with the full range of evidence. We propose an explanation... View Details

Keywords: Inflation and Deflation; Interest Rates; Debt Securities

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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

Keywords: Financial Markets; Valuation; Stocks; Asset Pricing; Investment; Behavioral Finance

2025
Working Paper

Cash Flow Volatility, Return Predictability and Stock Price Decompositions: Why You Should Scale Prices by Trend Cash Flows

By: Sebastian Hillenbrand and Odhrain McCarthy

We address two inconvenient facts in asset pricing: (i) valuation ratios are often more related to future cash flows than to returns, and (ii) they mostly fail to predict returns. We show that these issues arise because stock prices are scaled by cash flows that... View Details

Keywords: Cash Flow; Volatility; Investment Return; Asset Pricing; Forecasting and Prediction; Valuation; Stocks

2025
Working Paper

Small Business Innovation Applied to National Needs

By: Kyle Myers, Lauren Lanahan and Evan E. Johnson

Small businesses have long supplied a disproportionate share of major innovations in the United States. We review a centerpiece policy on this topic: the U.S. Small Business Innovation Research (SBIR) program. We trace its legislative history and summarize program... View Details

Keywords: Small Business; Innovation and Invention; Government Legislation; Entrepreneurial Finance; Business and Government Relations

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

2025
Working Paper

Street Earnings: Implications for Asset Pricing

By: Sebastian Hillenbrand and Odhrain McCarthy

To address the excess volatility puzzle – the excessive movements in stock prices – researchers often study movements in valuation ratios. However, we demonstrate that movements in valuation ratios based on fundamental measures with high transitory volatility, such as... View Details

Keywords: Investment Return; Asset Pricing; Valuation; Measurement and Metrics; Stocks

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

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

Keywords: Investment Funds; Financial Markets; Market Timing; Investment Return

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

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

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

2025
Chapter

Marjorie Yang Mun Tak 楊梅德：Entrepreneur and Innovator

By: William C. Kirby

BOOK ABSTRACT:
Chinese Encounters with America tells the stories of twelve women and men whose American experiences transformed their lives and influenced China’s trajectory, with a particular focus on the period after Beijing and Washington established... View Details

Keywords: International Relations; Leadership; China

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2025
Working Paper

Race, Rental Yields, and Housing Decay in Manhattan

By: Tom Nicholas and Christophe Spaenjers

We develop a new dataset on real estate transactions in Manhattan (1912–1939), linked to federal Census records (1930 and 1940) and property images used for tax assessment purposes (around 1940 and 1980). We analyze investor returns and incentives to maintain... View Details

Keywords: Housing Markets; Rental Yields; Urban Decay; Manhattan; Race; Equality and Inequality; Investment Return; Motivation and Incentives; Real Estate Industry; New York (city, NY)

May 2025
Case

The Micro-Family Office: Aamir Rehman

By: Lauren Cohen and Sophia Pan

With a successful career and strong academic credentials, Aamir Rehman sought to design a life grounded in autonomy. For him, this meant serving on boards, continuing his professorship, and ensuring a secure and comfortable life for his family. While he didn’t possess... View Details

2025
Working Paper

Management and Firm Dynamism

By: Nicholas Bloom, Jonathan S. Hartley, Raffaella Sadun, Rachel Schuh and John Van Reenen

We show better-managed firms are more dynamic in plant acquisitions, disposals, openings and closings in U.S. Census and international data. Better-managed firms also birth better-managed plants, and improve the performance of the plants they acquire. To explain these... View Details

Keywords: Management Practices; Productivity; Management Practices and Processes; Mergers and Acquisitions; Competition; Business or Company Management; Performance Productivity

April 2025
Case

Kleiner Perkins (2019)

By: Jo Tango and Srimayi Mylavarapu

Kleiner Perkins, founded in 1972, quickly rose to prominence as one of Silicon Valley’s leading venture capital firms, earning a reputation for early investments in industry giants like Google, Amazon, and Citrix. However, a bold, strategic pivot to cleantech investing... View Details

Keywords: Venture Capital; Investment Funds; Technological Innovation; Entrepreneurial Finance; Organizational Change and Adaptation; Financial Services Industry

2025
Working Paper

Generative AI Use by Capital Market Information Intermediaries: Evidence from Seeking Alpha

By: Mark Bradshaw, Chenyang Ma, Benjamin Yost and Yuan Zou

We study the use of generative AI for firm-specific financial analysis on the Seeking Alpha platform. We find that, after the initial launch of ChatGPT in November 2022, the share of AI-generated articles rose sharply to 13.4% of all articles, then declined in late... View Details

Keywords: Generative Ai; Seeking Alpha; Equity Research; Large Language Models; Gpt; AI and Machine Learning; Information Publishing; Financial Markets

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