Which of the following questions can be answered using the concepts of macroeconomics?
A) What is the effect of an increase in price on the supply of a good?
B) Why do some firms produce differentiated goods?
C) What is the difference between a public good and a private good?
D) Why does the rate of economic growth fluctuate from year to year?
Question 2
The U.S. economy has had persistent inflation in recent decades. A possible explanation for the inflation is that
A) there have been decreases in the growth rate while aggregate demand has remained unchanged.
B) growth in aggregate demand has been greater than growth in aggregate supply.
C) there have been decreases in aggregate demand while aggregate supply has remained unchanged.
D) there have been increases in the growth rate while aggregate demand has remained unchanged.