Our very own psychological biases have an impact on our investment decisions and affect our attempts at building wealth.
Psychological Bias | Effect on Investment Behavior | Consequence |
Overconfidence | Trade too much. Take too much risk and fail to diversify | Pay too much in commissions and taxes. Susceptible to big losses |
Attachment | Become emotionally attached to a security and see it through rose-colored glasses | Susceptible to big losses |
Endowment | Want to keep the securities received | Not achieving a match between your investment goals and your investments |
Status Quo | Hold back on changing your portfolio | Failure to adjust asset allocation and begin contributing to retirement plan |
Seeking Pride | Sell winners too soon | Lower return and higher taxes |
Avoiding Regret | Hold losers too long | Lower return and higher taxes |
House Money | Take too much risk after winning | Susceptible to big losses |
Snake Bit | Take too little risk after losing | Lose chance for higher return in the long term |
Get Even | Take too much risk trying to get break even | Susceptible to big losses |
Social Validation | Feel that it must be good if others are investing in the security | Participate in price bubble which ultimately causes you to buy high and sell low |
Mental Accounting | Fail to diversify | Not receiving the highest return possible for the level of risk taken |
Cognitive Dissonance | Ignore information that conflicts with prior beliefs and decisions | Reduces your ability to evaluate and monitor your investment choices |
Representativeness | Think things that seem similar must be alike. So a good company must be a good investment | Purchase overpriced stocks |
Familiarity | Think companies that you know seem better and safer | Failure to diversify and put too much faith in the company in which you work |