Behavioral Finance Theories Flashcards
Prospect Theory state that people make decisions based on
probabilities more than potential outcomes
Prospect Theory state that people make decisions using
mental heuristics (mental shortcuts and biases)
Loss Aversion
the tendency to feel the impact of losses more than gains
Prospect Theory can be illustrated graphically using an
asymmetrical s shapred curve
Cognitive dissonance
confusion or frustration that arises when an individual receives new information that does not match up with or confirm to preexisting beliefs or experiences
Cognitive dissonance causes invstors to
hold losing securities that they otherwise would sell because they want to avoid the mental pain associated with admitting that they made a bad decision
average down investing
Average down investing
throwing good money after bad
Cognitive dissonance can cause investors to get caught up in
herds of behavior - people avoid information that counters an earlier decision
Conservatism
bias where people cling to their prior views or forecasts at the expense of acknowledging new information
Slow to change
Difficulty in processing new information
Confirmation
Where people observe, overvalue, or actively seek out information that confirms what they believe while ignoring or devaluing information that contradicts their beliefs
Believe strongly in predetermined screens.
Cause employees to over concentrate in company stock
Representativeness
Bias through which individuals process new information using preexisting ideas or beliefs
views a particular situation or information a certain way because of similarities to other examples even if it does not really fit into that category
Illusion of control bias investors tend to
trade more than is prudent
maintain underdiversified portfolios
use limit orders
overconfidence
Anchoring bias investors tend to succumb to
house money effect - where risk-taking behavior escalates as wealth grows
Anchoring and adjustment
Cognitive bias where investors are influenced by purchase price points or arbitrary price levels and cling to these numbers when deciding to buy or sell
often rely too heavily on certain information when making decisions
Framing
cognitive bias, where an individual responds to similar situations differently based on the context in which the choice is presented
Framing and loss aversion can work together by
To explain excessive risk aversion. An investor who has incurred a net loss becomes likelier to select a riskier investment, whereas a net gainer feels redisposed toward less risky alternatives.
Availability
cognitive bias where easily recalled outcomes are perceived as being more likely that those that are harder to recall or understand
Examples of availability
choose investments based on information that is available to them by advertising, suggestions from advisors, friends, etc…
Choose investments that resonate with them
Loss aversion
emotional bias where an investor finds the idea of losses twice as painful as the pleasure of gains
core tenet of prospect theory
Loss aversion investors tend to
hold losing investments too long
get-even-itis - hold losing investments in the hope that they get back what they lost
unknowingly take on more risk in their portfolio
Examples of self control bias
cause investors to spend more today at the expense of saving for tomorrow
fail to plain for retirement
Status quo bias
emotional bias where when faced with an array of options, an investor is predisposed to select the option that keeps conditions the same
Examples of status quo
Cause investors to take no action to hold investments inappropriate to their own risk. This can mean that investors take an excessive risk or invest too conservatively.
Can be combined with loss aversion bias
Endowment effect
an emotional bias where an individual assigns a greater value to an object already held or owned
Investors may assign additional value to stocks they have inherited or purchased because they do not want to incur the transaction costs associated with selling the securities.
Regret aversion
An emotional bias where investors avoid taking decisive action because they are afraid that when looking back at the course they select it will prove less than optimal
Examples of regret aversion
Having suffered losses in the past, investors tend to be too conservative in their investment choices.
Hold onto losing positions for too long
Herding behavior
Hold onto winning stocks for too long
Affinity
emotional bias where investors make decisions based on how they believe a product or service reflects their values
Examples of affinity
are prone to purchase stocks that reflect their self image
Sunk cost fallacy
investors may continue to hold an investment and even invest more (double down) in large part because of the time, effort and energy they have already invested
Often tied back to anchoring and status quo bias