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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.
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.
Working Paper
Trading Costs
August 23, 2018
Using live trade data from a large institutional money manager over a 19-year period, we find actual trading costs to be an order of magnitude smaller than previous studies suggest.
Working Paper
Trading Costs of Asset Pricing Anomalies
December 5, 2012
We examine the trading costs, net-of-cost returns and break-even fund sizes of equity strategies designed to capture several of the main asset pricing anomalies documented in the literature.
White Paper
A New Core Equity Paradigm
March 1, 2013
Combining successful investing styles to magnify their effects represents a new paradigm in active equity-portfolio management. Core Equities integrates value, momentum and profitability styles to offer a more persistent, systematic approach.
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.
Working Paper
Betting Against Correlation: Testing Theories of the Low-Risk Effect
February 15, 2017
What drives the low-risk effect? We test whether it's driven by leverage constraints (and thus risk should be measured using beta) or behavioral effects (and thus risk should be measured by idiosyncratic risk).
Working Paper
Hiring Cheerleaders: Board Appointments of "Independent" Directors
June 1, 2012
In this paper we exploit a database of independent directors to test the hypothesis that boards appoint directors who, while technically independent according to regulatory definitions, nonetheless may be overly sympathetic to management.
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.
Journal Article
Buffett's Alpha
November 1, 2013
What is the secret to Warren Buffett's success? Every investor has a view on how Buffett has done it, but we seek the answer via a thorough empirical analysis in light of some the latest research on the drivers of returns.