英文摘要
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Taiwanese stock market is a sensitive market; it is easily influenced by the political and globally economic factors. In literature we know that these events (or particular factors) will distort the analysis easily. This study focuses on the effects of the outliers and evaluates the asymmetric effects on TAIEX options. The intervention model and EGARCH model are used to evaluate the particular events and asymmetric effects.
In our empirical study Black-Sholes (1973) and Hull and White (1986) models are used to demonstrate the TAIEX options. Four times of the additive outliers (AO) are detected between 1 July 2005 and 31 July 2006, which indicates the shocks are temporary. However, it will distort the estimation of the pricing model. Our result can be confirmed by the fact that the performance of the estimation has been greatly improved when the intervention model is used.
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参考文献
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