To describe financial market volatility, the paper focuses on some mathematical models, including ARCH and GARCH models.

对刻画金融市场波动的相关模型进行描述，主要包括ARCH、GARCH类模型。

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An eclectic coalition of MPs have signed this including arch-critics of the bill Tim Loughton and Stewart Jackson, the SDLP's Mark Durkan, Green MP Caroline Lucas and Lib Dem Greg Mulholland.

BBC: Week ahead

The route of the royals' horse-drawn procession from Westminster to the finale at Buckingham Palace took in some of the capital's most famous landmarks, including Whitehall, Trafalgar Square and Admiralty Arch.

CNN: Queen's balcony wave, flyover cap Diamond Jubilee celebrations

They revealed that two lever arch files of new material has emerged, including the contents of 11 interviews.

BBC: Constable Stephen Carroll