8.2 Flashcards
Except of overconfidence, what else can be a rational explanation
Entertainment => turnover should vary across indv depending on their self-reported enjoyment of investing and gambling
3 reasons for entertainment
- Recreational trading = feeling of accomplishment
- they have to overcome less of a hurdle when changing portfolio. Lower MC.
- Follow financial market actively_higher exposure to trading signals - Sensation seeking = seeking for intensity & novelty.
- Aspiration for Riches = extreme results (positively skewed) and impatient to reach for desired level wealth => results in more trading
2 type investors
- Hobby
- Gambles: aspiration for riches
- younger
- male
- less wealthy
- more concentrated in equity -> more volatility, provides necessary stimuli that increases the chance of reaching desired wealth level
Entertainment driven investors…
Have an increase in excess turnover
Mc/MArginal benefit for inv that love trading
Mc is offset by non pecuniary benefits from researching, executing and talking about the outcome of the trade
Self-enhancing attribution bias
Tendency to overestimate one”s knowledge. Tendency to overly attribute success to skill and losses to external factors
Illusion of control
Wrong expectation to be able to affect chance outcomes
Churning
Excess trading. (Done by broker to receive more commission = illegal)