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    题名: Hedging effectiveness of the hedged portfolio: the expected utility maximization subject to the value-at risk approach
    作者: Chuang, Chung-Chu;Wang, Yi-Hsien;Yeh, Tsai-Jung;Chuang, Shuo-Li
    贡献者: 管理科學學系暨研究所
    关键词: expected utility maximization;value-at-risk;GARCH;VEC–ADVECH;hedging effectiveness;futures
    日期: 2015-02-02
    上传时间: 2015-02-06 10:00:08 (UTC+8)
    出版者: Routledge
    摘要: Multivariate volatilities and distribution play an important role in portfolio selection and can be used to calculate the value-at-risk (VaR) of a multiple-asset financial position. This study proposes a new expected utility maximization (EUM) model that accounts for VaR (EUM model with a VaR constraint (EUM–VaR)). Additionally, using the EUM–VaR model, this study investigates the hedging effectiveness of short and long hedged portfolios constructed with multivariate generalized autoregressive conditional heteroscedasticity (GARCH)-type models that feature level effects and multivariate normal

    and skewed distributions for stock indexes and their corresponding futures in the Greater China Region. It is found that, all else equal, portfolios constructed using the multivariate skewed distribution are far more effective in hedging than those that rely on the other distributions, and the effectiveness of hedged portfolios from the multivariate GARCH-type models with level effects outperform those without level effects. Additionally, the effectiveness of hedged portfolios from multivariate asymmetric GARCH-type models exceeds that of those from multivariate symmetric GARCH-type models. Thus, investors should select the multivariate asymmetry in volatility, multivariate asymmetry in distribution, and EUM–VaR models to construct effectively hedged portfolios. The results of this study can provide useful implications for investors looking to manage risk.
    關聯: Applied Economics 47(20), p.2040–2052
    DOI: 10.1080/00036846.2014.1000528
    显示于类别:[管理科學學系暨研究所] 期刊論文

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