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Trade Publication
Hit 'Em Where It Hurts, ESG Investing 2.0
November 1, 2018
We suggest a new approach to ESG investing that we believe may be more effective in making negative investor views known to management — while at the same time potentially improving portfolio expected returns.
Working Paper
Acting on the Most Valuable Information: “Best Idea” Trades of Mutual Fund Managers
March 17, 2009
This paper proposes an ex ante proxy for the ranking of mutual fund trades. We find that the most attractive trades—the “best ideas"—beat the benchmarks by up to about 0.30% per month and outperform other fund trades by even higher margins.
Working Paper
Style Investing: Evidence From Mutual Fund Flows
March 19, 2004
The number of mutual funds in the U.S. has risen over the past decade and is so large that individual investors are unlikely able to analyze each fund in existence. How do investors choose from such a multitude of funds? We answer this question here.
Journal Article
Does Active Management Pay? New International Evidence
August 11, 2015
One of the most important decisions for an equity investor is whether to manage investments actively or passively.
Journal Article
Long-Only Style Investing: Don't Just Mix, Integrate
June 30, 2016
We contrast two common approaches to long-only style investing: the “portfolio mix” and the “integrated portfolio.” Our results suggest that long-only factor or smart beta investors should consider integrating styles in portfolio construction.
Working Paper
Follow the Leader: Peer Effects in Mutual Fund Portfolio Decisions
February 1, 2009
This paper demonstrates that mutual funds “follow the leaders"—Trades of well-performing funds are statistically and economically important determinants of subsequent portfolio decisions of the remaining managers.
Working Paper
Is Bigger Better? Size and Performance in Pension Plan Management
June 1, 2011
Using a proprietary dataset, we examine the relationship between size and performance of asset management within defined benefit pension plans. We find a larger plan size is associated with better performance of the entire pension plan portfolio.
Working Paper
Responsible Investing: The ESG-Efficient Frontier
October 10, 2019
Combining several large data sets, we compute the empirical ESG-efficient frontier and show the costs and benefits of responsible investing.
Journal Article
Deactivating Active Share
January 6, 2016
The authors investigate Active Share, a measure meant to determine the level of active management in investment portfolios, and find it wanting.
Journal Article
Decoding Inside Information
May 21, 2012
The authors employ a simple empirical strategy to identify “opportunistic” insider trading — that is, purchases or sales by traders with favored access to private information about the given firm — and conclude that portfolio strategy that focuses solely on “opportunistic” traders yields value-weighted abnormal returns of 82 basis points per month.