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Do Vanguard ETF Investors Make Good Decisions? – Testing the Bogle Hypothesis
By Meng Xie John Bogle, the founder of Vanguard, is a notable opponent of frequent ETF trading. We test his hypothesis that Vanguard investors are not trading ETFs intelligently. A comparison of dollarweighted and time-weighted returns is the typical method used for assessing investor timing. We instead employ Sharpe’s style analysis techniques to compare the […]
