Equity (1.0): Market Efficiencies/ Behavioral Flashcards
refers to uninformed traders watching the actions of informed traders when making investment decisions
Information cascades
when trading occurs in clusters, not necessarily driven by market info
herding behavior
investors viewing events in isolation
narrow framing
exhibited by an investor who dislikes a loss more than he likes an equal gain. That is, the investor’s risk preferences are asymmetric.
Loss aversion
Refers to mentally classifying investments in separate accounts rather than considering them from a portfolio perspective
Mental accounting
refers to a tendency to maintain one’s prior views even in the presence of new information.
conservatism
Helps to prevent market prices from becoming overvalued
short selling
If the market is _______, portfolio managers should use passive management because neither technical analysis nor fundamental analysis will generate positive abnormal returns on average over time
Semi-strong efficient
active investment strategies cannot consistently achieve risk-adjusted returns superior to holding a passively managed index portfolio in a :
informationally efficient market
the result of tax induced trading at year end; An investor can profit by buying stocks in December and selling them during the first week in January.
The January Anomaly
Prices reflect private & past market data and public information
Strong form
no group of investors has monopolistic access to information relevant to the formation of prices
suggests it is possible to earn abnormal returns using market data; providing evidence against weak and semi-strong forms
momentum
refers to stocks with poor returns over three to five-year periods that had higher subsequent performance than stocks with high returns in the prior period
overreaction effect
Investment strategies based on fundamental analysis of public information and past market data could achieve abnormal returns:
Weak-form efficient
Security prices reflect publicly known and available information and past market data
Semi-strong form efficient