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Why Worry About Survivorship Bias?

Why Worry About Survivorship Bias? (from Dimensional Fund Advisors LP.  Original post can be found here and was published October 12, 2020.) For actively managed US equity mutual funds over the period from 1991 to 2020, survivorship bias overstates the median fund...

An Exceptional Value Premium

(from Dimensional Fund Advisors LP.  Original post can be found here and was published October 5, 2020.)  It’s probably not news to most value investors that the value premium has struggled over the past decade. What might be news is just how extreme an outlier recent...