A Gaussian smooth transition vector autoregressive model: An application to the macroeconomic effects of severe weather shocks
高斯平滑转换向量自回归模型及严重天气冲击的宏观效应AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要直接提出平滑转换 VAR,并研究不同状态下严重天气冲击的宏观影响。
高斯平滑转换向量自回归模型及严重天气冲击的宏观效应AI 解读 ↓
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We introduce a new smooth transition vector autoregressive model with a Gaussian conditional distribution and transition weights that, for a $p$th order model, depend on the full distribution of the preceding $p$ observations. Specifically, the transition weight of each regime increases in its relative weighted likelihood. This data-driven approach facilitates capturing complex switching dynamics, enhancing the identification of gradual regime shifts. In an empirical application to the macroeconomic effects of a severe weather shock, we find that in monthly U.S. data from 1961:1 to 2022:3, the shock has stronger impact in the regime prevailing in the early part of the sample and in certain crisis periods than in the regime dominating the latter part of the sample. This suggests overall adaptation of the U.S. economy to severe weather over time.