Question 16 1 pts An efficient market requires that: all investors are rational and react quickly to new information. new information does not have a significant effect on market prices. information can be obtained at a considerable cost by investors investors react quickly and fully to new information. Question 17 1 pts A test which investigates whether publicly available financial accounting information can be used to generate abnormal returns is a direct test of: O strong form market efficiency. O weak form market efficiency. mean variance market efficiency. semi-strong form market efficiency. ong-Li..pdf XLS309-XLS-ENG.xls