中等ECON-GDPA-011
Which change causes a movement along the aggregate demand curve, rather than a shift?
A. A change in the price level✓ 答案
B. An increase in government spending at a given price level
C. A cut in salaries tax at a given price level
D. A rise in export orders at a given price level
解說
The price level is the variable on the axis of the AD curve, so changing it moves the economy along AD. Spending changes at a given price level shift AD.