Varian和Choi表示，共同利用这些搜索趋势和经济计量模型就能够提高预测的准确性。
Mr Varian and Mr Choi show that the addition of these search trends to econometric models improves the accuracy of their estimates.
长期记忆性的存在使得有可能通过建立非线性经济计量模型以改进价格预测效果。
The discovery of long memory suggests possibilities of constructing nonlinear econometric models to improve price forecasting performance.
本文根据近年来国内各项经济指标，运用线性回归方法建立了民用汽车需求的计量经济模型，并对模型进行评价和预测。
According to the economic indices of recent years, this paper constructs an econometric model of civil automobile by linear regression method and does some estimating and forecasting.
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