Each of the Following Is Something That Economists Don't Know

Multiple Choice

Each of the following is something that economists don't know about the impact of government policy on the economy except

A) the aggressiveness with which central bankers should pursue stabilization policy
B) the extent to which we should worry about large government budget deficits.
C) the ultimate determinate of inflation.
D) the lag structure involved with the effect of economic policy on output and prices.