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Regression modelEconometrics / time series

自回归条件异方差 (ARCH) 模型

ARCH模型由Robert Engle于1982年提出,用于捕捉金融和宏观经济时间序列中随时间变化的波动性。它将当日误差的条件方差建模为过去平方误差的函数,解释了为何波动性大的时期会聚集在一起——这种现象被称为波动性聚集。

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来源

  1. Engle, R. F. (1982). Autoregressive conditional heteroscedasticity with estimates of the variance of United Kingdom inflation. Econometrica, 50(4), 987–1007. DOI: 10.2307/1912773
  2. Engle, R. F. (2001). GARCH 101: The use of ARCH/GARCH models in applied econometrics. Journal of Economic Perspectives, 15(4), 157–168. DOI: 10.1257/jep.15.4.157

如何引用本页

ScholarGate. (2026, June 3). Autoregressive Conditional Heteroskedasticity Model. ScholarGate. https://scholargate.app/zh/econometrics/arch-model

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被引用于

ScholarGateARCH model (Autoregressive Conditional Heteroskedasticity Model). 于 2026-06-15 检索自 https://scholargate.app/zh/econometrics/arch-model · 数据集: https://doi.org/10.5281/zenodo.20539026