87.1 Behavioural biases:
What are cognitive errors?
What are emotional biases?
cog errors - can be minimized/mitigated
emotional - harder to manage
87.1 Cognitive errors: What are the 5 belief perseverance phenomena
They reflect a desire to stick with the previous decision
87.1 What is conservatism bias?
ignoring new information
87.1 What is confirmation bias?
Seeking out information that supports their view
87.1 What is representative bias?
The idea that the past will persist
New information is classified based on past experience
“base rate neglect” - refers to investors attempting to determine the potential success of a new investment by comparing it to an already understood category or previously held investment
/”sample size neglect” - relying on a small sample to represent what something might actually do into the future
87.1 What is illusion of control bias?
When investors think they can control outcomes
- associated with the illusion of knowledge
- overconfidence bias
87.1 What is hindsight bias?
selective memory !
selective memory of past events - they tend to remember correct views, forget losers
87.1 Cognitive errors: Name 4 Information-processing biases:
87.1 What is Anchoring bias?
This occurs when market participants use experience based on trial and error to unduly affect probabilities
Set an arbitrary number then seek to adjust this with trial and error
result: MARKET PARTICIPANTS MAY STICK TOO CLOSE TO THEIR INITIAL ESTIMATE
Easily mixed up with conservatism (a reluctance to change to new information received)
87.1 What is Mental accounting bias?
Money is treated differently depending on how it is categorised
(money jar syndrome)
87.1 What is Framing bias?
Occurs when a decision is affected based on the way that the question is framed (affects how the information is process)
87.1 What is availability bias?
putting undue emphasis on information that is readily available
87.1 Emotional biases: Name the 6 emotional biases:
These are the ones which must be ACCOMMODATED
87.1 What is loss aversion bias?
clients hate to lose
This is when the client will feel more pain form a loss than the pleasure of an equal gain
seen by: hold onto a losing position - they dont want to sell it and crystallise a loss
87.1 What is Overconfidence bias
we overestimate our ability in our reasoning
desire to feel good in your ability
87.1 What is self control bias?
occurs when people lack the self-discipline and favour immediate gratification over long term goals
87.1 What is status quo bias?
occurs when a discomfort with an existing situation presents an unwillingness to make a change
if an investment choice includes the option to maintain an existing choice, or a choice won’t happen unless you opt out then the status quo choices are more likely
education becomes paramount here
87.1 What is endowment bias?
Bias towards something because we already own it
a fail to sell assets we already own
87.1 What is Regret aversion bias
When market participants do nothing out of excess fear that they could be wrong
herding behaviour - a form of retreat aversion where participants go along with the concensus
87.1 What is the market impact of behavioural biases?
market anomalie = January effect eg
halo effect = a version of representativeness in which a company’s characteristics such as fast growth or rising stock price are extended into the conclusion that it is a good stock to own
home bias = want to invest in home country