How often do you check your brokerage account? There is a famous economics paper from 1997, written by some of the giants in behavioral finance (Thaler, Kahnemann, Tversky & Schwartz), that tested what is known as myopic loss aversion. What they found was that investors who check their performance less frequently are more willing to take risk and experience higher returns. Investors who check their results frequently take less risk and perform worse. And that...
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