ch 9 Flashcards
What is Modern Portfolio Theory (MPT) based on
the logic that all investors are risk-averse.
What do EMH (effective market hypothesis) opponents respond with?
1) risk and 2) luck
What three factors lead to market efficiency?
investor rationality, independent deviations from rationality, arbitrage
What does “Rational” mean?
that investors do not systematically overvalue or undervalue financial assets in light of the information they possess.
What are the three forms of market efficiency?
Strong-form set, semistrong-form set, weak-form set
Weak Form of market Efficiency
efficiency states that information reflected in past prices and volume figures is of no value in beating the market
If you believe the market is weak form efficient then what is of no use?
technical analysis- all past price volume data are worked into a stock’s price
Semi-strong of market efficiency
states that publicly available information of any and all kinds is of no use in beating the market.
If you believe the market is semi-strong form efficient then what is of no use?
then fundamental analysis (studying past price and volume data & studying earnings and growth forecasts) is useless.
Strong form of market efficiency
states that no information of any kind, public or private is useful in beating the market.
If you believe the market is strong form efficient then what is of no use?
ignoring the issue of legality, possessing non-public inside information is useless when it comes to beating the market.
Insider
anyone who possesses material nonpublic information
Market anomalies
predictable abnormal returns and can be interpreted as known deviations of efficiency.
What does it mean to beat the market?
Investor earns an excess return against a benchmark with equal risk.
Technical Analysis
using the historical market activity of a security to predict future price movement