If X and Y are complementary goods, a decrease in the price of X will result in______.

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问题 If X and Y are complementary goods, a decrease in the price of X will result in______.

选项 A、an increase in the demand for Y
B、a decrease in the demand of Y
C、a decrease in the quantity demanded of X
D、none of the above

答案A

解析 答案为A项。complementary goods“互补品”。当两种商品为互补品时,一种商品价格上升导致另一种商品需求减少;一种商品价格下降导致另一种商品需求增加。如面包与黄油。本题中x和Y为互补品,那么,商品x的价格下降,将导致商品Y需求增加。故本题选A项。
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