Analysis of the Transmission Mechanisms of Monetary Policy Provides Four

Analysis of the transmission mechanisms of monetary policy provides four basic lessons for a central bank's conduct of monetary policy.These lessons include:

A) Monetary policy can be highly effective in reviving a weak economy so long as short-term interest rates are not too close to zero.
B) Avoiding fluctuations in the level of unemployment is an important objective of monetary policy, thus providing a rationale for interest-rate stability as the primary long-run goal for monetary policy.
C) Other asset prices beside those on short-term debt instruments contain important information about the stance of monetary policy because they are important elements in various monetary policy transmission mechanisms.
D) Only A and B of the above.