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.
If you're looking for an edge as an investor, you're not alone. Many people spend their time chasing the latest stock tip or trying to time the market. But what really sets successful investors apart is not secret information or complicated strategies. It is the ability to manage their own behaviour, especially in times of uncertainty. Your investment choices do matter. But the decisions you make about when to act, when to stay patient, and how to respond to market movements
Robin Powell
Feb 24, 20254 min read
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