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What is evidence-based investing?
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.
Robin Powell
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Scott Adams: cartoonist, divisive commentator, scourge of active managers
Scott Adams damaged his own reputation in his later years. But long before that, the creator of Dilbert was using satire to make a serious, evidence-aligned case against active fund management — reaching tens of millions of readers along the way.
Robin Powell
Mar 26 min read
SPIVA persistence scorecard: why Robin Wigglesworth says the critics got it wrong
The SPIVA persistence scorecard has become a lightning rod for debate. Robin Wigglesworth shows how active managers’ critique collapses under scrutiny — and why persistence is the Achilles’ heel of their case.
Robin Powell
Sep 19, 20255 min read
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