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Journal Article
Fact, Fiction and Value Investing
November 5, 2015
Value investing has been a part of the investment lexicon for at least the better part of a century, yet confusion about it remains.
Working Paper
Embedded Leverage
November 1, 2012
Embedded leverage—the amount of market exposure per unit of committed capital—has become an important feature of financial instruments. We study embedded leverage in equity options, index options and ETFs, and how it affects the required returns.
Working Paper
The Earnings Announcement Premium and Trading Volume
May 1, 2007
We measure and provide explanation for the earnings announcement premium, when stock prices rise around scheduled earnings announcement dates. We show that the premium is large and strongly related to the surge in volume around announcement dates.
Journal Article
Size Matters, If You Control Your Junk
January 22, 2015
When it comes to equity investing, size matters—and in a bigger way than once thought—but only when controlling for junk. We examine seven challenges that have been hurled at the size effect and dismantle each one by controlling for a firm's quality.
White Paper
Understanding Defensive Equity
July 1, 2012
This paper analyzes the intuition behind defensive equity. We then analyze the empirical evidence, construction and performance of defensive equity portfolios, and discuss the possible explanations for its historical outperformance.
Journal Article
The Small World of Investing: Board Connections and Mutual Fund Returns
May 1, 2007
Information moves security prices.
Journal Article
Low-Risk Investing Without Industry Bets
August 21, 2014
The strategy of buying safe low-beta stocks while shorting (or underweighting) riskier high-beta stocks has been shown to deliver significant risk-adjusted returns.
Journal Article
The Disposition Effect and the Under-Reaction to News
August 1, 2006
Mounting evidence challenges the traditional view that securities are rationally priced to reflect publicly available information.
Journal Article
Betting Against Beta
January 1, 2014
A basic premise of the capital asset pricing model (CAPM) is that all agents invest in the portfolio with the highest Sharpe ratio, or expected excess return per unit of risk, and leverage or de-leverage this portfolio to suit their risk preferences. However, many investors — such as individuals, pension funds and mutual funds — are constrained in the leverage that they can take, and therefore overweight risky securities instead.
Journal Article
Buffett's Alpha
November 1, 2013
[Winner of the CFA Institute's 2018 Graham and Dodd Award] What is the secret to Warren Buffett's success? We seek the answer via a thorough empirical analysis in light of some the latest research on the drivers of returns.