Warren Buffett’s Berkshire Hathaway has realized a Sharpe ratio of 0.79 with significant alpha
to traditional risk factors. The alpha became insignificant, however, when we controlled for …

Why have defined contribu-tion (DC) retirement plans delivered such uneven—and, on
average, inadequate—results? How can DC sponsors, who are charged with most of the …

Good investing results require both good investments and good investors. In this article, we
focus on the latter and address three important and prevalent bad habits that may hinder long…

Berkshire Hathaway has realized a Sharpe ratio of 0.76, higher than any other stock or
mutual fund with a history of more than 30 years, and Berkshire has a significant alpha to …

Implications. Virtually all investors can expect higher risk-adjusted returns by adding
momentum to their portfolios. Growth investors will see that momentum delivers much better …

… David G. Kabiller … For more details on that please contact David Rowe, Commercial &
Business Development Director on +1 (646) 891-2157 or d.rowe@pm-research.com. View …

Investors may think they are well diversified and well positioned to maximize returns, but do
they understand the systematic behavioral biases that may be working against them? These …

This paper looks at the nature of alpha and the rise of hedge fund betas–as well as the
implications for investors. In Part I, we argue that alpha should not be thought of as the return from …

… Kabiller, co-founder of AQR Capital Management, a leading global investment management
firm. “My impression of David Kabiller … Kabiller founded the prize to make sure what he calls …