Nobody can establish who first used the phrase 'evidence-based investing', and no regulator defines it. Robin Powell, who was given the name by Larry Swedroe in 2015 and is sometimes wrongly credited with coining it, sets out what it actually means: four tests of what counts as evidence, borrowed from a medical parallel that hit the same crisis twelve years ago. Including where he goes further than a global tracker, and why he holds that position less firmly than he used to.
In January 2020, Terry Smith told his investors why Neil Woodford had failed: the star manager changed his game. Five years on, Smith's own Fundsmith letter records the highest turnover in the fund's history and a new taste for momentum — and the way he explains it matches a pattern behavioural researchers have measured in fund managers' own words.
Robin Powell
Jul 158 min read
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