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.
Why do mutual funds underperform? New research from the University of Sydney reveals that at least 55% of fund performance is attributable to luck, not skill. Worse, luck actively predicts future underperformance: lucky funds attract inflows, grow too large, and lose their capacity to generate returns. Morningstar's five-star funds significantly underperform one-star funds in subsequent periods. Stop chasing yesterday's winners and own the market at low cost.
Robin Powell
Jan 56 min read
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