A gray dynamic model is present to forecast electricity forward price and results of different models are studied.

针对这一特点，用灰色动态预测模型对电力远期价格进行了预测，并对不同模型的预测结果进行了研究。

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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。

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This paper puts forward the unified prices of electricity sent into grid for cascade hydropower stations and discusses the necessity and feasibility of the unified price of electricity sent into grid.

提出了流域梯级水电站统一上网电价的观点，并论述统一上网电价的必要性和可行性。

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