Publications

February 2010 (Revised July 2010)
Case

Barclays Wealth: Reignite WAR or Launch AlphaStream?

By: Lena G. Goldberg and Elisa Farri

In late January 2009, Thomas Fekete, managing director at Barclays Wealth in London, redeemed the most illiquid positions in the so-called Wealth Absolute Return Fund (WAR), one of Barclays Wealth's most promising offshore funds of hedge funds, and halted the Fund's... View Details

Keywords: Financial Crisis; Financial Liquidity; International Finance; Investment Funds; Governing Rules, Regulations, and Reforms; Strategy; Financial Services Industry; London

November 2024
Case

Demond Martin and WellWithAll

By: Hise Gibson, Archie L. Jones and Ai-Ling Jamila Malone

This case study chronicles the transformative entrepreneurial path of Demond Martin, co-founder and CEO of WellWithAll, a health and wellness startup. Motivated by a pivotal life experience and deep concern for racial health inequities, Martin transitions from a... View Details

February 2018 (Revised August 2018)
Case

OpenInvest

By: Shawn Cole, Boris Vallée and Nicole Tempest Keller

Founded by a team of hedge fund and NGO alumni, OpenInvest launched its platform in 2015 to enable retail investors to tailor their portfolios to their personal values in an automated way, for instance by screening out weapons manufacturers stocks or overweighting... View Details

Keywords: Fintech; Impact Investing; Investment Portfolio; Customization and Personalization; Technological Innovation; Social Issues; Growth and Development Strategy; Business Model; 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

Research Summary

Overview

My focus is empirical financial accounting research, with particular interests in governance, valuation, M&A, and short-sellers. All three of my papers to date fall under the broad heading of “alternative governance mechanisms”—studies of how accounting information is... View Details

Keywords: Mergers and Acquisitions; Corporate Governance; Valuation; Law

Research Summary

Overview

My focus is empirical financial accounting research, with particular interests in governance, valuation, M&A, and short-sellers. All three of my papers to date fall under the broad heading of “alternative governance mechanisms”—studies of how accounting information is... View Details

Keywords: Mergers and Acquisitions; Corporate Governance; Valuation; Law

Article

The Effects of Product Line Breadth: Evidence from the Automotive Industry

By: Antonio Moreno and Christian Terwiesch

Using a detailed data set from the U.S. automotive industry, we enrich the existing literature on product line breadth with new results that highlight previously unexplored operational aspects of its benefits and costs. We find that expanding product line breadth has a... View Details

Keywords: Variety; Pricing; Automotive Industry; Marketing/operations Interface; Platforms; Empirical Operations Management; Product Marketing; Production; Management; Auto Industry

Find at Harvard

22 Dec 2006
Research & Ideas

What’s Behind the Private Equity Boom?

Podcast with: Josh Lerner Interviewer: James Aisner Running Time: 15 min., 56 sec. View Details

Keywords: by Jim Aisner; Financial Services

September 2024
Case

Nvidia, Inc. in 2024 and the Future of AI

By: David B. Yoffie and Sarah von Bargen

Nvidia was one of the most successful companies in the world, reaching $3.4 trillion in valuation on June 18th, 2024. While Microsoft and Apple quickly recaptured the value crown, some analysts forecasted that Nvidia was so strongly positioned that it might become the... View Details

Keywords: Customer Value and Value Chain; Price; Technological Innovation; Competition; Vertical Integration; Valuation; Technology Industry

October 2018 (Revised September 2022)
Case

Stock-Based Compensation at Twitter

By: Jonas Heese, Zeya Yang and Mike Young

Olivia Nash, an analyst at leading hedge fund BlueShark Capital Management, had just finished listening to the hour-long earnings call for Twitter’s Q4 2017 results. Was Twitter doing well? That depended on which numbers she chose to believe. According to Generally... View Details

Keywords: Twitter; Non-GAAP Disclosure; Stock-based Compensation; Earnings Management; Corporate Disclosure; Compensation and Benefits; Stocks; Measurement and Metrics

June 2010 (Revised November 2013)
Case

Momentive Performance Materials, Inc.

By: Victoria Ivashina and David Scharfstein

After nearly violating its loan covenants in 2009, Momentive Performance Materials, backed by its financial sponsor Apollo Global Management, took a variety of actions to restructure its debt. The restructuring steps included an open market repurchase of publicly held... View Details

Keywords: Restructuring; Financial Crisis; Borrowing and Debt; Private Equity; Financing and Loans

March 2006
Module Note

Exchange Rates and Firms

By: Mihir A. Desai and Kathleen Luchs

Describes a core module in the International Finance course at Harvard Business School. The module focuses on how firms identify, measure, and manage currency exposures. The cases first introduce students to foreign exchange exposures and the tools used to manage... View Details

Keywords: International Finance; Currency Exchange Rate; Corporate Finance

March 2005
Article

Short- and Long-term Demand Curves for Stocks: Theory and Evidence on the Dynamics of Arbitrage

By: Robin Greenwood

I develop a framework to analyze demand curves for multiple risky securities at extended horizons in a setting with limits-to-arbitrage. Following an unexpected change in uninformed investor demand for several assets, I predict returns of each security to be... View Details

Keywords: Limits To Arbitrage; Event Studies; Demand Curves; Portfolio Choice; Framework; Demand and Consumers; Change; Risk and Uncertainty; Debt Securities; Forecasting and Prediction; Stocks; Assets; Investment Portfolio; System Shocks; Price; Japan

Find at Harvard

Read Now

05 Sep 2023
Book

Failing Well: How Your ‘Intelligent Failure’ Unlocks Your Full Potential

until you try. The opportunity was significant: a potential life partner. Plus, despite Bill’s previous mistake, Mary did trust him to have some knowledge of the type of person she was looking for. Learning from her past failure, Mary decided to View Details

Keywords: by Michael Blanding

Research Summary

The Ownership and Trading of Debt Claims in Chapter 11 Restructurings (with Victoria Ivashina and David Smith)

This paper explores a novel data set that identifies over 71,000 investors holding debt claims of 136 companies filing for U.S. Chapter 11 bankruptcy protection during the period of 1998 through 2009. We investigate how concentration in debt ownership relates to... View Details

18 May 2010
First Look

First Look: May 18

case:http://cb.hbsp.harvard.edu/cb/product/310060-PDF-ENG Tremblant Capital Group Robin GreenwoodHarvard Business School Case 210-071 Brett Barakett, CEO and founder of Tremblant Capital Group, a New York-based hedge fund, must decide... View Details

Keywords: Martha Lagace

September 2024
Article

Activist Directors: Determinants and Consequences

By: Ian D. Gow, Sa-Pyung Sean Shin and Suraj Srinivasan

This paper examines determinants and consequences of hedge fund activism, focusing on activist directors, i.e., directors appointed in response to activist demands. Using a sample of 3,259 activism events from 2004 to 2016, we identify 1,623 activist directors.... View Details

Keywords: Governing and Advisory Boards; Investment Activism; Business and Shareholder Relations

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; Sports Industry; Entertainment and Recreation Industry; Travel Industry; United States; Australia; Canada

December 2018 (Revised May 2019)
Case

Darling Ingredients International

By: David E. Bell and Natalie Kindred

Led by CEO Randall Stuewe, Texas-based Darling Ingredients International was a rendering firm with $3.7 billion in 2017 revenues. Since 2003, Darling had transformed from U.S. focused into a global player in the processing of biological waste from meat and foodservice... View Details