Twenty years ago there were only five equity factors (market, value, small-cap, momentum, and low beta). Today the literature contains research papers on hundreds of supposed factors, most of which will not produce a reliable positive premium in the future. Rather than adopting a statistical...

By choosing investment strategies that intentionally create exposure to factor betas, investors may be obtaining uncompensated risks. We show across a wide variety of factors and geographical markets that factors constructed from fundamental characteristics have earned high returns, whereas...

In a series of papers we published in 2016, we show that relative valuations predict subsequent returns for both factors and smart beta strategies in exactly the same way price matters in stock selection and asset allocation. To many, one surprising revelation in that series is that a number of...

The active shares of traditional value style indexes are dominated by industry bets. They also capture less than the entire value premium; because they weight constituents on the basis of capitalization, they tend to hold large positions in overpriced stocks and small positions in underpriced...

Using U.S. and global data, we examine the impact of Smart Beta ETFs on active mutual funds. As Smart Beta ETFs become widely available and actively traded, active mutual fund flows become “smarter”, that is they become more sensitive to multi-factor alphas. Our findings demonstrate how...

The active shares of traditional value style indices are dominated by industry bets. They also capture less than the entire value premium because, weighting constituents on the basis of capitalization, they tend to hold large positions in overpriced stocks and small positions in underpriced...