【判断题】【消耗次数：1】
需求的变动是指商品本身价格变动所引起的该商品的需求数量的变动
①
正确
②
错误
参考答案：
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相关题目
【单选题】
某月内，X商品的替代品的价格与互补品的价格均上升，且分别引起该商品的需求变动量为60单位和90单位，则在它们共同作用下该商品需求数量（）。
①
减少30单位
②
增加30单位
③
减少130单位
④
增加130单位
【单选题】
住宅需求的价格弹性(Ed)是指住宅商品的价格变化的比率所引起的住宅需求量变动的比率，当Ed大于0且小于1的时候，表明商品（）
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寓有价格弹性
②
缺乏价格弹性
③
无弹性
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完全弹性
【单选题】
一种商品价格下降所引起的该商品需求量变动的总效应可以分解为替代效应和收入效应两部分，总效应为负值的商品是( )。
①
正常物品;
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低档物品;
③
吉芬物品;
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必需品。
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