Mr Varian and Mr Choi show that the addition of these search trends to econometric models improves the accuracy of their estimates.

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。

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Spatial Econometric MethodsIn addition to the omitted variable bias, we also are concerned about the bias or inefficiency of the estimates due to the spatial correlation in the data.

空间经济计量学的方法除被省去的易变的偏心之外的，我们也关注估计的偏心或无效用由于在数据的空间交互作用。

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Mr Varian and Ms Choi show that the addition of these search trends to econometric models improves the accuracy of their estimates.

ECONOMIST: Internet search data may be useful for forecasters

But it turned out to be deeper than we knew or most of the econometric models showed, most of the blue chip estimates.

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