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；
When the level of income growth expectation is inadequate to change and improve consumption modes, it could hardly function in expanding domestic consumption.
在收入预期增长水平尚未达到可以改变和提高消费方式的情况下，要想让它发挥扩大内需的作用是十分困难的。
Consumption is a function of income ". Farmers' income is the main factor affecting their consumption."
“消费是收入的函数”，影响农村居民消费增长的主要因素是收入水平。
Consumption is a function of income ". Farmers' income is the main factor affecting their consumption."
“消费是收入的函数”，影响农村居民消费增长的主要因素是收入水平。
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