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.
AI now sits beside roughly a third of British retail investors as they make money decisions. New research from Wharton, MIT and a Nobel laureate puts a number on what it's doing to their judgment: confidence rises by nearly 12 percentage points, even when the AI is wrong half the time. The researchers call it cognitive surrender — and the investors most prone to it are the ones least likely to notice.
Robin Powell
May 288 min read
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