Empirical Analysis of Affine Versus Nonaffine Variance Specifications in Jump-Diffusion Models for Equity Indices
Empirical Analysis of Affine Versus Nonaffine Variance Specifications in Jump-Diffusion Models for Equity Indices
复制标题
股票指数跳跃扩散模型中仿射与非仿射方差规范的实证分析
DOI:
10.1080/07350015.2014.922471
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发表时间:
2015
影响因子:
3
通讯作者:
N. Seeger
中科院分区:
文献类型:
--
作者:
Ignatieva;P. Rodrigues;N. Seeger
This article investigates several crucial issues that arise when modeling equity returns with stochastic variance. (i) Does the model need to include jumps even when using a nonaffine variance specification? We find that jump models clearly outperform pure stochastic volatility models. (ii) How do affine variance specifications perform when compared to nonaffine models in a jump diffusion setup? We find that nonaffine specifications outperform affine models, even after including jumps.
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