经济上册Chp 3-5 Flashcards

(14 cards)

1
Q

决定需求弹性的因素

A

1.物品的性质
2.替代品的多寡及替代程度
3.消费支出占所得的比重
4.社会风尚及对物品的忠诚度
5.物品的用途多寡

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2
Q

决定供给弹性大小的因素

A

1.产量增加后引起成本增加的大小
2.生产所需时间的长短
3.物品易于储存的程度
4.技术水平或艺术价值的高低

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3
Q

需求的所得弹性

A

→Ey > 0 正常品
-Ey > 1,奢侈品
-Ey<1, 必需品

→Ey<0,劣等品
→Ey=0, 中性物品

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4
Q

需求的交叉弹性

A

→Exy>0,替代品
→Exy<0,互补品
→Exy=0,独立品

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5
Q

消费者剩余定义和计算
定义:
计算:___-____=消费者剩余

A

定义:消费者愿意却有能力支付的价格和消费者实际支付价格的差额

计算:愿意支付价格-实际支付价格=消费者剩余

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6
Q

生产者剩余
定义:
计算:

A

定义:生产者对物品要求的最低价格和实际收取价格的差额

计算:生产者对物品要求的最低价格-实际收取价格

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7
Q

价格上限(问题,负面影响,对策)

A

-供不应求
-出现抢购和黑市
-采取定量配给

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8
Q

价格下限(问题,负面影响,对策)

A

→超额供给
→物品生产过剩,政府收购该物品,物品囤积在仓库,扭曲经济资源效用,长期而言造成政府经济负担
→对策
-限制生产
-刺激需求
-政府收购

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9
Q

无异曲线特征

A

1.由上往下方延伸
2.距离远点越远,消费者满足程度越大
3.任何两个无异曲线不相交
4.凸向原点

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10
Q

政府实施补贴的目的

A

1.提高产品对外的竞争力
2.维持国内某种重要企业的生存

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11
Q

边际效用递减法则

A

-在同一时间段里,消费者连续消费某一种物品时,每增加消费一单位物品,效用会比前一个单位取得的效用低

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12
Q

水与钻石的矛盾

A

1.供需决定价格
2.水的供给量高,价值减低,边际效用低,但消费数量高总效用高
3.钻石的供给量低,价值供不应求,市场价值高,边际效用高,消费数量低,总效用低

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13
Q

边际替代率

A

-每取得1单位X物品的生产使需放弃的Y物品增多
-X物品的使用量增加使消费者愿意放弃的Y物品减少

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14
Q

预算线

A

-消费者考虑收入与价格因素后,实际上能够购买到的物品组合

-任何一点是消费者有能力购买的组合

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