consumption income function 消费收入函数
The authors argue that demand is a function of income. Groups with different income have different levels of demand, which constitutes the aggregate consumption demand.
笔者认为，需求是收入的函数，收入不同的群体其需求水平也不同，而各收入群体的消费需求即构成总消费需求。
Consumption function refers to the relationship between consumption and income.
一般把消费和收入的关系称为消费函数。
The Engel function has been presented on the income and material consumption of the inhabitants in coastal and inland areas, also in towns and rural.
给出了沿海与内地城镇及农村居民物质性消费与收入的恩格尔函数及其特征；
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