Small Portfolio Changes Don’t Matter

The investment product landscape is like the supplement industry. Supplement companies don’t make money if you sleep eight hours a night, only drink water, and avoid junk food. Fund providers don’t make money if you stick to low-cost index funds. We’re inundated with products promising an edge, either for our health or finances. In investing,…

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Book Summary of Superforecasting

Jazon Zweig said Superforecasting by Philip Tetlock and Dan Gardner is “the most important book on decision making since Kahneman’s Thinking, Fast and Slow”. Tetlock co-created The Good Judgement Project (GJP) which participated in a forecasting tournament held by IARPA, a U.S. government organization. IARPA supports research that has the potential to revolutionize intelligence analysis.…

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