Which of the following best describes ‘strong–form efficiency’?
All relevant information, including that which is privately held, is reflected in the share price.
Share prices fully reflect information available only to certain shareholders.
Share prices fully reflect all the relevant, publicly available information.
Share prices fully reflect all information contained in past price movements.
TRUE/FALSE. Write ‘T’ if the statement is true and ‘F’ if the statement is false.
Efficient market hypothesis is the theory describing the behavior of an assumed “perfect” market in
which securities are typically in equilibrium, security prices fully reflect all public information
available and react swiftly to new information, and, because stocks are fairly priced, investors need
not waste time looking for mispriced securities.
In an efficient market, stock prices adjust quickly to new public information.
In an inefficient market, stock prices adjust quickly to new public information.
If the expected return is less than the required return, investors will sell the asset, because it is not
expected to earn a return commensurate with its risk.
Behavioral finance is a growing body of research that focuses on investor behavior and its impact
on investment decisions and stock prices.
In an efficient market, the expected return and the required return are equal.
In an inefficient market, securities are typically in equilibrium, which means that they are fairly
priced and that their expected returns equal their required returns.
If a market is truly efficient, investors should not waste their time trying to find and capitalise on
mispriced securities.