Long Time Lags Hamper the Effectiveness of Economic Policy Because

Multiple Choice

Long time lags hamper the effectiveness of economic policy because:

A) people don't want to wait for economic recovery.
B) the longer unemployment lasts,the more intense inflation becomes.
C) by the time the impact of a policy is felt,a new problem may have come along that requires a different policy,which may make the economic situation even worse.
D) if inflation is allowed to continue for too long,it becomes immune to policy interference.
E) if unemployment is allowed to continue for too long,it becomes immune to policy interference.