briefly explain the roles or responsibilities of portfolio managers in an efficient 665553

a. Briefly explain the concept of the efficient market hypothesis (EMH) and each of its three forms—weak, semistrong, and strong—and briefly discuss the degree to which existing empirical evidence supports each of the three forms of the EMH.

b. Briefly discuss the implications of the efficient market hypothesis for investment policy as it applies to:

i. Technical analysis in the form of charting.

ii. Fundamental analysis.

c. Briefly explain the roles or responsibilities of portfolio managers in an efficient market environment.