如果边际消费倾向等于0.8,政府减少100万元税收将使国民收入增加( )

2025-03-17 12:22:50
推荐回答(1个)
回答1:

答案是C。收入增加量=100*(0.8/1-0.8)=100*4=400。

边际消费倾向与平均消费倾向不同,平均消费倾向是总消费与可支配总收入的比率。

边际消费倾向和边际储蓄倾向(MPS)之和为1,即MPC+MPS=1。

边际消费倾向是指消费者对于某一或某一类产品,消费额的变化与消费者收入变化的比值。边际消费倾向被用于描述由于收入变化,导致消费者对某产品的消费额的变化幅度大小。

边际消费倾向总大于0而小于1。当消费者对产品的消费额与消费者的收入同时增加或减少时,边际消费倾向为正。消费者对产品的消费额与消费者的收入变化方向相反时,边际消费倾向值为负。当消费者对某产品的消费额不发生变化时,无论收入改变多少,边际消费倾向都不改变。

扩展资料

APC和MPC的变化有如下基本规律:

(1)平均消费倾向APC和边际消费倾向MPC是递减的,即由于收入增加,消费也增加,但消费增长幅度要小于收入增长幅度(APC递减),并且越来越小(MPC递减)。APC和MPC递减是凯恩斯的重要观点,是凯恩斯解释有效需求不足的三大规律之一。

(2)MPC是消费曲线C= C0+bY的斜率,消费曲线上每一点的斜率应相等,但是长期来看,消费曲线的斜率越来越小。

(3)APC>MPC,从表10-1中的APC和MPC数字对比可以看到这一点。这是因为即使收入为零,也会有基本消费C0。MPC应该小于1,但大于零。


参考资料来源:百度百科-边际消费倾向

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