Behavioral-Economics on The Standard Errorhttps://jongha-jeon-dev.github.io/standarderror/tags/behavioral-economics/Recent content in Behavioral-Economics on The Standard ErrorHugo -- 0.123.7en-gbThu, 13 Aug 2026 00:00:00 +0000Individuals Sold a Record Amount on the Best Day in Market Historyhttps://jongha-jeon-dev.github.io/standarderror/posts/individuals-sold-a-record-amount-on-the-best-day/Thu, 13 Aug 2026 00:00:00 +0000https://jongha-jeon-dev.github.io/standarderror/posts/individuals-sold-a-record-amount-on-the-best-day/The gap between what an index returns and what its investors earn is arithmetic — and I was wrong about where it comes from