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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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Why stock picking is even harder than you think
City of London skyscrapers including the Gherkin — the financial district reshaped by Big Bang in 1986, after which stock picking became a structurally losing game as research shows only 3.1 per cent of UK stocks generated all the market's real wealth over 50 years

Robin Powell
Apr 38 min read


100 years, 29,000 stocks, 46 winners: the case for indexing just got stronger
New research covering 100 years of US stock market data shows that just 46 firms out of nearly 30,000 drove half of all shareholder wealth creation — down from 89 in the original study. With wealth increasingly concentrated in fewer winners, the case for indexing has never been stronger. Here's what the numbers mean for your portfolio.

Robin Powell
Mar 208 min read
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