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) It is dangerous always to associate the easing or tightening of monetary policy with a fall or a rise in short-term interest rates.
B) Monetary policy can be highly effective in reviving a weak economy even if short-term interest rates are already near zero.
C) 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.
D) Only A and B of the above.