What's the meaning of "marginal propensity to consume"

What's the meaning of "marginal propensity to consume"
What's the meaning of "marginal propensity to consume"

What's the meaning of "marginal propensity to consume"
即“边际消费倾向”,即增加的消费和增加的收入之间的比率.
打个比方,就是指以你现在的状况,多收入一加元,会拿出里面的多少来进行消费.