Behavioural Flashcards
Behavioural Finance
Representativeness
Ambiguity aversion
Positive feedback and extrapolative expectations
Narrow framing
Overconfidence
Conservatism
Cognitive dissonance
Availability bais
Miscalculation of proabilities
Overconfidence
Investors tend to overestimate trading abilities and gloss over areas they lack knowledge, can lead to bad investments.
overestimate accuracy of their forecasts
linked to self attribution (success to them, failures others)
Representativeness
Judgement based too heavily on representative observation, don’t take into account other factors
past performance used to predict future
Narrow framing
unable to look at broader picture
(worry about short term when want to fund long term)
Miscalculation of probabilities
low probability to likely and too high to unlikely
Dotcom buble
Ambiguity aversion
afraid of areas where they don’t have much information and prefer familiar (avoid overseas)
Positive feedback and extrapolative expectations
buy shares after prices rise, sell after they fall. expect continue rise and form
bubbles
Cognitive dissonance
long held belief - continue to hold even if evidence contradicts
Availability bias
pay attention to one fact or event as more recent/prominent
Conservatism
investors naturally conservative and resistant to changing their opinions.