Testing for Granger causality with mixed frequency data
混频数据的格兰杰因果检验AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要研究混频时间序列中的格兰杰因果检验,并以美国宏观指标作应用。
混频数据的格兰杰因果检验AI 解读 ↓
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We develop Granger causality tests that apply directly to data sampled at different frequencies. We show that taking advantage of mixed frequency data allows us to better recover causal relationships when compared to the conventional common low frequency approach. We also show that the new causality tests have higher local asymptotic power as well as more power in finite samples compared to conventional tests. In an empirical application involving U.S. macroeconomic indicators, we show that the mixed frequency approach and the low frequency approach produce very different causal implications, with the former yielding more intuitively appealing result.