...院 成冬梅 2.1 2 收入需求函数：其他变量不变情况下的需求量与消费者 收入的关系定义为收入需求函数(Income Demand Function)，可以表示为Q=Q(M)，Q和M分别代表需 求量和收入水平。
基于1个网页-相关网页
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。
An electricity demand function is put forward according to the linear expenditure model. This paper also calculates electricity income elasticity and price elasticity.
根据扩展线性支出系统理论建立电力消费的需求函数，并对居民电力消费需求的收入弹性、价格弹性进行定量分析。
The results indicates that the promoting function of resident income increase to water demand has more influence than inhibition of water price rising to water demand4.
结果表明，哈尔滨市居民收入的增加对用水需求的拉动作用大于水价上涨对用水需求的抑制作用。
应用推荐