試題詳解

38. In the above figure the economy is initially at point A on aggregate expenditure curve AEo. Suppose investment decreases. As a result _______.
(A) there is a movement along AE₁ to a point such as C.
(B) the AE curve shifts upward to a curve such as AE2.
(C) there is a movement along AE₁ to a point such as B.
(D) the AE curve shifts downward to a curve such as AE1.