Publications

January 2008 (Revised July 2008)
Case

Opportunity Partners

By: Robin Greenwood and James Quinn

Philip Goldstein, the principal in a growing hedge fund and prominent activist investor, has taken a position in a Mexico-based closed-end fund. Following a hard-fought proxy contest in which he advocated for management to eliminate the fund's substantial discount,... View Details

Keywords: Investment Activism; Investment Funds; Business and Shareholder Relations; Value; Financial Services Industry; Mexico

January 2008
Article

When (Not) to Listen to Activist Investors

By: Robin Greenwood and Michael Schor

Keywords: Investment

Find at Harvard

2007
Working Paper

Hedge Fund Investor Activism and Takeovers

By: Robin Greenwood and Michael Schor

We examine long-horizon stock returns around hedge fund activism in a comprehensive sample of 13D filings by portfolio investors between 1993 and 2006. Abnormal returns surrounding investor activism are high for the subset of targets that are... View Details

Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Corporate Governance

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2007
Other Unpublished Work

Hedge Fund Investor Activism and Takeovers

By: Robin Greenwood and Michael Schor

Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Corporate Governance

SSRN

November 2006 (Revised July 2021)
Case

Kerr-McGee

By: Robin Greenwood and André Perold

Activist investors Carl Icahn and Barry Rosenstein acquire a stake in Oklahoma-based company Kerr-McGee. They demand two board seats and ask the company to make several operational and financial changes, including the repurchase of equity and divestiture of their... View Details

Keywords: Investment Activism; Restructuring; Equity; Investment; Management; Governance Controls; Corporate Strategy; Chemical Industry; Energy Industry; United States

June 2006 (Revised April 2024)
Case

Creditor Activism in Sovereign Debt: 'Vulture' Tactics or Market Backbone

By: Laura Alfaro and Ingrid Vogel

The role of distressed debt funds, also known as "vulture funds," in sovereign debt restructuring was a hotly debated topic, especially after the success of Elliot Associates in converting an $11 million investment in Peruvian bonds worth $21 million into a $58 million... View Details

Keywords: Vulture Funds; Borrowing and Debt; Bonds; Investment Activism; Investment Funds; Sovereign Finance; Government and Politics; Contracts; Business and Government Relations; Peru

February 1998 (Revised March 2000)
Case

Burma Pipeline, The

By: Debora L. Spar and Lane LaMure

In 1996, Unocal Corp. joined forces with the French Total company to construct an ambitious natural gas pipeline from the Andaman Sea across the southern tip of Burma and into Thailand. At an estimated cost of $1.2 billion, the pipeline was designed to bring sorely... View Details

Keywords: Political Risk; Risk Management; Corporate Social Responsibility and Impact; Social Issues; Foreign Direct Investment; Energy Industry; Asia