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【简答题】
.试述比较优势理论的主要内容,并简评之 2. A 国与B国同时生产小麦与布,A国在生产小麦上B国的生产成本低1/3,在生产低2/5。按照的比较优势原理,在其他条件一样时,A国应该生产什么?B国应该生产什么? 3. 在古典贸易模型中,假设A国有120名劳动力,B国有50名劳动力,如果所有的劳动力都用来生产棉花的话,A国的产量是240吨,B100吨;要是两生产大米的话,A生产1200吨,B生产800吨。试分析:两国中哪一国拥有生产大米的绝对优势?哪一国拥有生产大米的比较优势? 4. 有 A 、 B 两个国家,生产 X 、 Y 两种产品,单位产品的生产成本(劳动力—小时)如下表所示。 国家 X 产品成本 Y 产品成本 A B 20 40 50 20 假设分工前后两个国家对产品投入的劳动总量不变,分工后各自集中生产绝对优势产品,按 1 : 1 比例交换,其他条件符合绝对成本理论的假设条件。请分析计算: ( 1 )各国的绝对优势产品是什么?分工后各自生产哪种产品? ( 2 )计算两国分工前后的生产和贸易情况,并将计算结果填入表中。 表 1 两国分工前后的生产量对比情况 国家 分工前产量 分工后产量 X Y 总量 X Y 总量 A B 表 2 两国的贸易利益(分工后两国消费量)比较 国家 产品 X 产品 Y 比分工前多消费 A B
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