In order to test the semistrong form of the efficient-market hypothesis, researchers have mostly relied on the
A)estimation of the serial correlation coefficients (autocorrelations)for securities and markets.
B)measurement of the performance of technical trading strategies over the years.
C)measurement of how rapidly security prices adjust to different news items.
D)All of the options.

Question

Quizplus · Accepted Answer

The semistrong form of the efficient-market hypothesis suggests that all publicly available information is already reflected in stock prices, thus researchers test this by measuring how quickly and accurately prices adjust to new public information (news items).

In Order to Test the Semistrong Form of the Efficient-Market