Testing for Common Features
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AI 根据所提供的论文材料归类:摘要直接涉及序列相关、趋势、季节性等时间序列性质,并检验共同国际商业周期,因此归入宏观时间序列。
共同特征检验AI 解读 ↓
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This article introduces a class of statistical tests for the hypothesis that some feature that is present in each of several variables is common to them. Features are data properties such as serial correlation, trends, seasonality, heteroscedasticity, autoregressive conditional heteroscedasticity, and excess kurtosis. A feature is detected by a hypothesis test taking no feature as the null, and a common feature is detected by a test that finds linear combinations of variables with no feature. Often, an exact asymptotic critical value can be obtained that is simply a test of overidentifying restrictions in an instrumental variable regression. This article tests for a common international business cycle.