之后详细讨论了ARCH模型及其扩展形式，并对随机波动率模型做了简单介绍。

Then ARCH model is well discussed and the stochastic volatility model is introduced.

youdao

之后详细讨论了ARCH模型及其扩展形式，并对随机波动率模型做了简单介绍。

Then ARCH model is well discussed and the stochastic volatility model is introduced.

youdao