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How people decide

The mistakes that reading more does not fix. Biases documented in general populations, with the exact mechanism that produces them — because understanding it is the only thing that lets you disarm them.

·10 min readWhy you sell your winners and cling to your losersIt is not weak character or bad luck: it is a measured, replicated, Nobel-recognised bias, and it happens to beginners and professional managers alike. Understanding the exact mechanism is the only thing that lets you dismantle it, because willpower has already been shown not to be enough.