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.
经济学是实证的导向：它使用统计和计量分析工具来测试对经济数据的理论预测。
Economics is empirically oriented: it USES the tools of statistical and econometric analysis to test theoretical predictions against economic data.
还有计量经济学家们组成的各支代表队将在“场上”进行激烈地角逐，争夺“预测东道主英国奖牌数量”大赛的冠军。
There will also be teams of econometricians battling it out to predict how many medals will be won by the host nation.
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