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.
How often should you check your investment portfolio? Probably far less often than you do. The 56/44 daily split of up and down days in the stock market, combined with the human tendency to feel losses twice as keenly as gains, means daily checking is almost mathematically guaranteed to make you miserable. Ben Carlson's new book Risk & Reward sets out the evidence — and the practical moves that protect long-term investors from their own short-term instincts.
Robin Powell
May 228 min read
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