Overconfidence

A close relative to the previously mentioned Confirmation Bias, Overconfidence is the tendency to overestimate our own abilities (i.e., we aren’t as smart as we think we are).  We tend to think that we are much better forecasters and estimators than we…

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Confirmation Bias

We let confirmation bias take control of our mind by only seeking out information from sources that agree with our pre-existing beliefs.  Conversely, we tend to ignore and dismiss information (= disconfirming evidence) which tend to disprove our initial impressions. It’s the tendency to interpret the glass…

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Endowment Effect

Endowment Effect is the tendency to fall in love with what we own and makes us resist change.  Or in other words, this is the tendency to consider something you own to be worth more than it would be, if you didn’t…

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Regret Aversion

This is the tendency to avoid taking an action due to the fear that—in hindsight—it will turn out to have been less than optimal.  Like leaving money in a bank account, rather than putting the cash in an investment with…

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Bigness Bias

Have you also observed that many people behave as if not all dollars are created equal?  By assigning relative values to different moneys that in reality have the same buying power, they run the risk of being too quick to spend,…

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Loss Aversion

Social scientists have proven that—emotionally—a loss “weighs” at least twice that of a similar gain.  That might be great for aspiring body-builders, but not so great for us regular Joes. It’s the actual gaining or losing and your feelings about it that…

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