The Time Between the Policy Decision and the Subsequent Change

The time between the policy decision and the subsequent change in policy instruments is called the

A) data lag,the time required to collect and analyze data.
B) effectiveness lag,the time required for the change in money supply to affect real output.
C) legislative lag,the time required for policymaking body to make decisions.
D) transmission lag,the time between the change in policy and the change in policy instruments.