【单选题】【消耗次数:1】
如果增加4单位X商品,减少1个单位Y商品,消费者的效用不变,那么,以X商品替代Y商品的边际替代率为( )。
4
1
0.25
0.5
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相关题目
【单选题】 已知商品X的价格为3元,商品Y的价格为2元,如果消费者从这两种商品消费中得到最大效用时,商品Y的边际效用为30,那么此时X商品的边际效用为
①  75
②  55
③  60
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【判断题】 已知消费者的收入是100元,商品X的价格是10元,商品Y的价格是3元。假定他打算购买7单位X和10单位Y,这时商品X和Y的边际效用分别是50和18。如要获得最大效用,他应该增购X,减少Y的购买量
①  正确
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【单选题】 某消费者对商品X的渴求甚于商品Y,原因是
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②  商品X较紧缺
③  对其而言,商品X有更大效用
④  商品X是满足精神需要的
【多选题】 商品的边际替代率( )。
①  是负的
②  具有递减的趋势
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【单选题】 无差异曲线上任一点上商品X和Y的边际替代率等于它们的 ( )。。
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②  数量之比
③  边际效用之比
④  边际成本之比
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①  正确
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【判断题】 假定其他条件不变,消费者从每单位商品中得到的效用随着这种商品数量的增加而增加。
①  正确
②  错误
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