2011经济学院微观期末试卷

2011经济学院微观期末试卷 - A/B 2 = 20 1 2 3 45...

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一、名词解释( 2%×10 = 20% 1 实证分析 2 .边际技术替代率 3 .风险溢价 4 .理想的生活成本指数 5 .沉淀成本 6 .折拐的需求曲线 7 纳什均衡 8 .无谓损失 9 .勒纳指数 10 .三级价格歧视 二、单项选择题( 2%×15 = 30% 1 .下列命题中哪一个不是实证分析命题?( A 1982 8 月联储把贴现率降到 10% B 1981 年失业率超过 9% C 、联邦所得税中等收入家庭是不公平的; D 、社会保险税的课税依据已超过 30000 2 .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 10 单位 Y ,这时商品 X Y 的边际效用分别是 50 18 。如要获得最大效 用,他应该( ): A .停止购买 B .增购 X ,减少 Y 的购买 C .减少 X 增加 Y 的购买 D .同时增购 X Y 3 .当吉芬商品价格上涨时,应该有( A .替代效应为正值,收入效应为负值;且前者小于后者的绝对值 B .替代效应为正值,收入效应为负值;且前者大于后者的绝对值 C .替代效应为负值,收入效应为正值;且前者的绝对值小于后者 D .替代效应为负值,收入效应为正值;且前者的绝对值大于后者 4 .下列哪一种情况可能对新企业进入一个行业形成自然限制( )。 A .发放营业许可证 B .规模经济 C .实行专利制 D .政府特许 5 .无差异曲线的形状取决于( A .消费者收入 B .消费者偏好 C .所购商品的价格 D .商品效用商品的大小 6 .若需求函数为 Q=400-2P ,当价格为 150 美元时的消费者剩余是 A 2500 单位 B 5000
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