How much of your portfolio should be in stocks? It's one of investing's most important questions — and the standard answer is costing the average investor the equivalent of 2% of their lifetime consumption. Yale economists have finally built something better, and it fits in a spreadsheet.
The fund industry says index concentration is the big risk. But the evidence points elsewhere. Compressed expected returns are what really threaten your long-term wealth — and the right response is simpler and cheaper than the industry would have you believe.
Terry Smith blames index funds for Fundsmith's five-year slump — but international market data, factor analysis, and 2024's high-dispersion conditions tell a different story. Here's what the evidence actually shows.
Robin Powell
Jan 157 min read
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