It is about the marginal propensity to consume (MPC), which is the extra consumption generated by a dollar of extra income.

而是与边际消费倾向(MPC)有关，即收入每增加一美元带来的相应消费增量。

youdao

If the marginal propensity to consume increases, the multiplier increases, additional autonomous spending will have a greater compounded effect in the equilibrium of the goods market.

如果消费倾向增加，乘数增加，附加自发支出会在商品市场的均衡有更大的复合效应。

youdao

You could compute a multiplier, which was simply the reciprocal of one minus the marginal propensity to consume, or, even more simply, the reciprocal of the marginal propensity to save.

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