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.
he most careful expert forecast of AI's economic effects covers GDP, productivity, employment and inequality. It does not cover share prices. Across 21 developed markets and 120 years of data, economic growth has shown no reliable positive relationship with what shareholders earn. What has correlated is growth in earnings per share, and four mechanisms separate the two. Here is what the evidence says about AI and stock returns, and what the railways and the dot-com boom alrea
TEBI
Aug 410 min read
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