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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/102220

    Title: 最小變異數避險組合的避險效益 : 以布蘭特原油為例
    Other Titles: Hedging effectiveness of minimum variance hedging portfolio : the case of Brent crude oil
    Authors: 陳伯杰;Chen, Po-Chieh
    Contributors: 淡江大學管理科學學系碩士班
    莊忠柱;Chuang, Chung-Chu
    Keywords: C-GARCH-BEKK模型;風險值;預期不足額;低偏動差;避險效益;C-GARCH-BEKK;Value at Risk;Expected shortfall;Lower partial moments;Hedging Effectiveness
    Date: 2014
    Issue Date: 2015-05-04 09:50:19 (UTC+8)
    Abstract: 原油價格波動易受國際政經局勢影響,如何針對原油價格波動進行避險已成為投資人的主要課題之一。本研究以2012年至2014年英國布蘭特原油價格為研究對象,利用移動視窗(rolling window)法探討樣本外(out of sample)條件最小變異數避險組合之避險效益,針對無避險模型、天真避險模型、傳統普通最小平方法模型與C-GARCH-BEKK(1,1)模型下短與長部位避險組合的變異數、風險值、預期不足額與低偏動差,比較避險效益的優劣。
    The situations of international political and economic affect the crude oil price volatility dramatically. How to hedge for the crude oil price volatility is one of the main topic for the investors. The data of Brent crude oil spot and futures daily price cover the time-span from 2012 to 2014. Based on rolling window framework, this study investigated the hedging effectiveness of conditional minimum variance hedging portfolio of out-of-sample. The results show that the hedging effectiveness of variance, value at risk, expected shortfall and lower partial moments of the unhedging model, the navie model, the OLS model and the C-GARCH-BEKK(1,1) model for short and long hedged portfolios, and the hedging effectiveness is compared.
    The results showers that hedging effectiveness from out-of-sample method dominate the one from in-sample, and dynamic hedge is better than static hedge. The OLS model shows better hedging effectiveness in variance and LPM for short and long hedged portfolios. The C-GARCH-BEKK(1,1) model shows better hedging effectiveness in VaR and ES for short and long hedged portfolios. The results provide references to the investors in risk management.
    Appears in Collections:[管理科學學系暨研究所] 學位論文

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