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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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Wealth management underperformance: the exposed secret that could cost you millions
Y TREE's analysis of 550 portfolios found that 84 per cent of wealth managers underperformed in 2025. Wealth management underperformance cost investors up to a third of their expected returns — and most don't even know it's happening.
Robin Powell
Apr 710 min read
You check your energy bill. Why not your investment fees?
You check your energy bill religiously. When your provider raised charges by £12, you noticed within days. You've compared broadband three times this year, saving £8 monthly. But when did you last calculate your all-in investment fees? That £3 broadband overcharge equals £36 yearly. A 1% overcharge on a £500,000 portfolio equals £5,000 annually—139 times more. Yet the smaller cost receives obsessive attention whilst the larger goes unexamined for decades. This article reveals
Robin Powell
Oct 27, 20259 min read
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