总支出函数 [经] aggregate expenditure function
家庭支出函数 household expenditure function
支出系统需求函数模型 Expend Linear Expenditure System ; ELES
扩展的线性支出系统需求函数模型是一类经济意义清楚，具有广泛应用价值的需求函数模型。
ELES (Extended Linear Expenditure System) is a good demand model which has explicit economic meaning and is used extensively.
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 practical case results illustrate that the linear expenditure system model is applicable for residential electricity demand analysis and forecasting.
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。
An electricity demand function is put forward according to the linear expenditure model. This paper also calculates electricity income elasticity and price elasticity.
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