How far can we forecast? Statistical tests of the predictive content
我们能预测多远?预测信息含量的统计检验AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确提出预测信息期限检验,并应用于宏观关键变量的调查预测,直接对应预测与即时预测方向中的预测研究。
我们能预测多远?预测信息含量的统计检验AI 解读 ↓
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Summary We develop tests for the null hypothesis that forecasts become uninformative beyond some maximum forecast horizon h ∗ . The forecast may result from a survey of forecasters or from an estimated parametric model. The first class of tests compares the mean‐squared prediction error of the forecast to the variance of the evaluation sample, whereas the second class of tests compares it with the mean‐squared prediction error of the recursive mean. We show that the forecast comparison may easily be performed by adopting the encompassing principle, which results in simple regression tests with standard asymptotic inference. Our tests are applied to forecasts of macroeconomic key variables from the survey of Consensus Economics. The results suggest that these forecasts are barely informative beyond two to four quarters ahead.