NEARLY OPTIMAL TEST FOR LONG-RUN PREDICTABILITY WITH NEARLY INTEGRATED REGRESSORS
近单位根回归变量下的近最优长期可预测性检验AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确研究高持续性时间序列的长期可预测性,并考察对短期动态的稳健性,对应时间序列与预测检验方向。
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We develop a method for long-run predictability testing in series Y by a persistent series X. We consider a class of tests based on the long-run behavior of these series that are robust to short-run dynamics and attempt to attain the highest possible power. The test is based on the Whittle approximation to the likelihood ratio that is adjusted to remain accurate across a range of persistence in X . We verify the properties of this test in small simulations and compare this test against a group of recently proposed methods.