商品x和商品y是相互替代的 则x的价格下降

2025-04-07 07:58:42
推荐回答(2个)
回答(1):

你推荐的答案不对,应该选择D
需求曲线的移动是指在价格不变的情况下,由于需求量的变化引起的,曲线平行移动的现象的现象。

相反的,决定需求的其他因素不变的情况下,只是由于价格变化而引起消费者愿意而且能够购买的商品数量的变化,作用于曲线上,则表现为曲线上点的移动。

题目中,X的价格下降,意味着消费者对X产品的需求会增加,但是此时只是X的价格发生了变化,因此X的曲线不会整体移动,因此A、B均不对

由于X的需求量增加,作为替代品的Y的需求量则必然减少,而这种减少却与Y的价格无关,因此,会引起Y的需求曲线整体移动。而表示需求减少的曲线运动方向为左,因此,C是错误的。正确答案为:D
我做的是华图的预测卷 答案也是选:y 的需求曲线向左移动。

回答(2):

AD
因为X价格下降,所以X的需求上涨,因此X需求曲线右移
因为XY互为替代品,Y可以用X来代替,X价格下降,Y需求就少了,Y需求曲线左移

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