問題詳情
13. Which of the following statements is correct?
(A) A fall in the mortgage interest rate would shift down the demand curve for new houses.
(B) The launch of a new Samsung smartphone would shift up the demand curve for existingiPhones.
(C) A fall in the oil price would shift up the demand curve for oil.
(D) A fall in the oil price would shift down the supply curve for plastics.
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增