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.
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.
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