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分别运用二元NGARCH模型和二元GEDGARCH模型，对金融危机前后利率和汇率的波动溢出效应进行研究，通过自适应绝对偏差和自适应均方误差的平方根2种标准进行评价。研究认为，二元GEDGARCH预测效果更好，在金融危机前利率与汇率之间存在着由汇率到利率的溢出效应；在金融危机之后，利率与汇率具有双向的波动溢出效应。
GARCH modelling in continuous time for irregularly spaced time series data
GARCH modelling continuous time irregularly spaced time series data
2010/12/17
The discrete-time GARCH methodology which has had such a profound influence on the modelling of heteroscedasticity in time series is intuitively well motivated in capturing many `stylized facts' conce...
ARCH and GARCH Models vs. Martingale Volatility of Finance Market Returns
ARCH GARCH Models Martingale Volatility Finance Market Returns
2010/12/17
ARCH and GARCH models assume either i.i.d. or (what economists lable as) white noise as is usual in regression analysis while assuming memory in a conditional mean square fluctuation with stationary ...