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- Faculty Publications (131)
- September – October 2007
- Article
Trading Patterns and Excess Comovement of Stock Returns
By: Robin Greenwood and Nathan Sosner
n April 2000, 30 stocks were replaced in the Nikkei 225 Index. The unusually broad index redefinition allowed for a study of the effects of index-linked trading on the excess comovement of stock returns. A large increase occurred in the correlation of trading volume of...
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Greenwood, Robin, and Nathan Sosner. "Trading Patterns and Excess Comovement of Stock Returns." Financial Analysts Journal 63, no. 5 (September–October 2007): 69–81.
- 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...
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Keywords:
Mergers and Acquisitions;
Private Equity;
Investment Return;
Investment Activism;
Investment Portfolio;
Corporate Governance
Greenwood, Robin, and Michael Schor. "Hedge Fund Investor Activism and Takeovers." Harvard Business School Working Paper, No. 08-004, July 2007.
- 2007
- Other Unpublished Work
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 acquired ex-post, but not...
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Keywords:
Mergers and Acquisitions;
Private Equity;
Investment Return;
Investment Activism;
Investment Portfolio;
Corporate Governance
Greenwood, Robin, and Michael Schor. "Hedge Fund Investor Activism and Takeovers." 2007.
- March 2007 (Revised March 2011)
- Teaching Note
The Nikkei 225 Reconstitution (TN)
By: Robin Greenwood
Teaching note to 207109.
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- March 2007 (Revised March 2008)
- Case
The Nikkei 225 Reconstitution
By: Robin Greenwood
Taka Haneda, a proprietary trader at the Tokyo office of Goldman Sachs, has just learned that the Nikkei 225 will undergo a significant redefinition over the coming week. He faces several billion dollars of customer orders, as well as the opportunity to commit the...
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Keywords:
Financial Liquidity;
Stocks;
Investment Return;
Price;
Market Transactions;
Financial Services Industry;
Tokyo
Greenwood, Robin. "The Nikkei 225 Reconstitution." Harvard Business School Case 207-109, March 2007. (Revised March 2008.)
- 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...
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Keywords:
Investment Activism;
Restructuring;
Equity;
Investment;
Management;
Governance Controls;
Corporate Strategy;
Chemical Industry;
Energy Industry;
United States
Greenwood, Robin, and André Perold. "Kerr-McGee." Harvard Business School Case 207-020, November 2006. (Revised July 2021.)
- August 2006 (Revised September 2008)
- Case
Duane Morris: Balancing Growth and Culture at a Law Firm
By: Boris Groysberg and Robin Abrahams
After nearly 100 years as a mid-size regional law firm, Duane Morris entered a period of spectacular growth led by CEO Sheldon Bonovitz. Originally founded by Quakers, the firm had a distinct organizational culture featuring a number of unique or unusual business...
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Keywords:
Mergers and Acquisitions;
Growth and Development Strategy;
Management Practices and Processes;
Organizational Culture;
Competitive Advantage;
San Francisco
Groysberg, Boris, and Robin Abrahams. "Duane Morris: Balancing Growth and Culture at a Law Firm." Harvard Business School Case 407-025, August 2006. (Revised September 2008.)
- April 2006 (Revised November 2006)
- Case
Livedoor
By: Robin Greenwood and Michael Schor
The president of Fuji Television must decide how to respond to a competing bid for the shares of Nippon Broadcasting Systems (NBS). Livedoor, the other bidder, is a highly valued Internet company that has been accused of financial wizardry to keep its stock price high.
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Keywords:
Stock Shares;
Internet and the Web;
Ethics;
Television Entertainment;
Behavioral Finance;
Corporate Finance;
Media and Broadcasting Industry;
Japan
Greenwood, Robin, and Michael Schor. "Livedoor." Harvard Business School Case 206-138, April 2006. (Revised November 2006.)
- April 2006
- Supplement
Livedoor Courseware
By: Robin Greenwood and Michael Schor
Keywords:
Curriculum and Courses
- February 2006 (Revised October 2006)
- Background Note
Introduction to Valuation Multiples
By: Robin Greenwood and Lucy White
Outlines the definition and applicability of financial multiples and their relationship to discounted cash flow analysis.
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Greenwood, Robin, and Lucy White. "Introduction to Valuation Multiples." Harvard Business School Background Note 206-095, February 2006. (Revised October 2006.)
- October 2005 (Revised February 2010)
- Background Note
Calculating Free Cash Flows
By: Robin Greenwood and David S. Scharfstein
Outlines the mechanics of calculating free cash flows from historical and proforma financial statements. Focuses on the mechanical process of transforming numbers from financial forecasts into cash flows.
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Greenwood, Robin, and David S. Scharfstein. "Calculating Free Cash Flows." Harvard Business School Background Note 206-028, October 2005. (Revised February 2010.)
- June 2005 (Revised May 2008)
- Case
Yamanote Kaikan
By: Robin Greenwood, Arthur I Segel and Joshua Katzin
In 2001, James O'Connell, president of Holyoke Japan, an affiliate of Larson Capital, a distress debt private equity firm, wants to bid on a 90 billion yen loan currently in default by the borrower, Sanjo Enterprises, for a popular wedding and banquet facility with an...
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Greenwood, Robin, Arthur I Segel, and Joshua Katzin. "Yamanote Kaikan." Harvard Business School Case 205-084, June 2005. (Revised May 2008.)
- 2005
- Working Paper
Float Manipulation and Stock Prices
By: Robin Greenwood
Greenwood, Robin. "Float Manipulation and Stock Prices." Harvard Business School Working Paper, No. 05-079, June 2005.
- 2005
- Working Paper
A Cross-Sectional Analysis of the Excess Comovement of Stock Returns
By: Robin Greenwood
Greenwood, Robin. "A Cross-Sectional Analysis of the Excess Comovement of Stock Returns." Harvard Business School Working Paper, No. 05-069, April 2005.
- 2005
- Working Paper
Aggregate Corporate Liquidity and Stock Returns
By: Robin Greenwood
Aggregate investment in cash and liquid assets as a share of total corporate investment is negatively related to subsequent U.S. stock market returns between 1947 and 2003. The share of cash in total investment is a more stable predictor of returns than scaled price...
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- 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...
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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
Greenwood, Robin. "Short- and Long-term Demand Curves for Stocks: Theory and Evidence on the Dynamics of Arbitrage." Journal of Financial Economics 75, no. 3 (March 2005): 607–649.
- December 2004 (Revised March 2006)
- Background Note
Decision Trees
By: Robin Greenwood and Lucy White
This case introduces decision analysis. Using a simple example, it illustrates the use of probability trees and decision trees as tools for solving business problems.
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Keywords:
Decision Making
Greenwood, Robin, and Lucy White. "Decision Trees." Harvard Business School Background Note 205-060, December 2004. (Revised March 2006.)
- December 2004 (Revised April 2006)
- Case
Managing a Public Image: Rob Thomas
By: Robin J. Ely and Ingrid Vargas
Rob Thomas describes some of the challenges he has faced as a white, middle-aged man who is managing director of a mid-size consulting firm where he is committed to increasing staff gender and racial diversity. Unwilling to risk the disapproval of any constituency,...
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Ely, Robin J., and Ingrid Vargas. "Managing a Public Image: Rob Thomas." Harvard Business School Case 405-054, December 2004. (Revised April 2006.)
- December 2004 (Revised August 2005)
- Case
Managing a Public Image: Sophie Chen
By: Robin J. Ely and Ingrid Vargas
Sophie Chen, an Asian-American MBA student at Harvard Business School, describes a professional situation in which she was unable to mentor a junior person effectively because she disapproved of the way her Asian-American mentee conformed to an ethnic stereotype....
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Ely, Robin J., and Ingrid Vargas. "Managing a Public Image: Sophie Chen." Harvard Business School Case 405-052, December 2004. (Revised August 2005.)
- December 2004 (Revised August 2005)
- Exercise
Orientation to the Public Image Assessment Exercise
By: Robin J. Ely
The Public Image Assessment exercise acquaints students with the ideal images they hold of themselves, the actions they engage in to convey these images, and the benefits and costs of these behaviors to themselves and to others. Social psychologists call this process...
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Ely, Robin J. "Orientation to the Public Image Assessment Exercise." Harvard Business School Exercise 405-057, December 2004. (Revised August 2005.)