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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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Valuation anxiety: why expensive markets don't usually fall when investors expect
When markets look expensive, valuation anxiety pushes investors to brace for a crash. But history suggests the real risk is quieter — long stretches of disappointing real returns that erode wealth slowly, without the dramatic fall investors expect.

Robin Powell
Feb 1010 min read


Does "buy the dip" actually work?
"Buy the dip" sounds like smart investing — wait for prices to fall, then pounce. But 60 years of evidence reveals the strategy underperforms passive investing more than 60% of the time. Here's why waiting for the perfect moment costs more than it saves.

Robin Powell
Dec 18, 20258 min read


Investing at market highs: three paths to overcoming paralysis
Investing at market highs often triggers fear and hesitation. Yet a century of market data shows that record peaks are a normal feature of long-term growth. This article explores three clear, evidence-based ways to approach investing at market highs without falling into paralysis.

Robin Powell
Oct 22, 202517 min read
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