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.
利用扩展线性支出系统对河南农村居民的消费结构进行了实证分析。
Demonstration analysis was conducted on the consumption structure of Henan rural Residents by Expanding Linear Expenditure System.
利用扩展线性支出系统模型对河南城镇居民的消费结构进行实证分析。
The article analyses consumption structure of urban resident in Henan province through adopting Extend Linear Expenditure System.
对于居民消费结构分析，现广泛采用扩展线性支出系统模型进行统计分析，并计算出各类商品的需求弹性。
Related to residential consumption analysis, extend linear expenditure system (ELES) is widely used in statistics analysis, and calculating the demand elasticity of various commodities.
最后得出结论：扩展线性支出系统一般只宜用作消费需求的短期预测。
Finally educe conclusion: the ELES currently can only be used for short time consumption forecast.
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.
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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