Please use this identifier to cite or link to this item: https://ah.lib.nccu.edu.tw/handle/140.119/49959
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dc.contributor.advisor毛維凌zh_TW
dc.contributor.advisorMao,Wei-Lingen_US
dc.contributor.author沈之元zh_TW
dc.contributor.authorShen,Chih-Yuanen_US
dc.creator沈之元zh_TW
dc.creatorShen,Chih-Yuanen_US
dc.date2008en_US
dc.date.accessioned2010-12-09T06:45:25Z-
dc.date.available2010-12-09T06:45:25Z-
dc.date.issued2010-12-09T06:45:25Z-
dc.identifierG0096258009en_US
dc.identifier.urihttp://nccur.lib.nccu.edu.tw/handle/140.119/49959-
dc.description碩士zh_TW
dc.description國立政治大學zh_TW
dc.description經濟研究所zh_TW
dc.description96258009zh_TW
dc.description97zh_TW
dc.description.abstract本文以台灣股價加權指數,使用 AR(3)-GJR-GRACH(1,1) 模型,白噪音假設為 Normal 、 Skew-Normal 、 Student t 、 skew-t 、 EPD 、 SEPD 、與 AEPD 等七種分配。著重於兩個部份,(一) Student t 分配一族與 EPD 分配一族在模型配適與風險值估計的比較;(二) 預測風險值區分為低震盪與高震盪兩個區間,比較不同分配在兩區間預測風險值的差異。\n\n實證分析顯示, t 分配一族與 EPD 分配一族配適的結果,無論是只考慮峰態 ( t 分配與 EPD 分配) ,或者加入影響偏態的參數 ( skew-t 分配與 SEPD 分配) , t 分配一族的配適程度都較 EPD 分配一族為佳。更進一步考慮分配兩尾厚度不同的 AEPD 分配,配適結果為七種分配中最佳。\n\n風險值的估計在低震盪的區間,常態分配與其他厚尾分配皆能通過回溯測試,採用厚尾分配效果不大;在高震盪的區間,左尾風險值回溯測試結果,常態分配與其他厚尾分配皆無法全數通過,但仍以 AEPD 分配為最佳。最後比較損失函數,左尾風險值估計以 AEPD 分配為最佳,右尾風險值則無一致的結果。因此我們認為 AEPD 分配可作為風險管理有用的工具。zh_TW
dc.description.tableofcontents1 前言 1 \n2 風險衡量與相關文獻 4 \n2.1 風險值 4\n2.2 歷史模擬法(Historical Simulation) 4\n2.3 極值理論(Extreme Value Theory) 5\n2.4 GARCH Model 10\n2.5 動態歷史模擬法(Filtered Historical Simulation) 11 \n2.6 動態極值理論(Conditional Extreme Value Theory) 11 \n3 研究方法 12 \n3.1 AR-GJR-GARCH 13\n3.2 白噪音設定 13\n3.3 模型配適 19\n3.4 回溯測試(Back-testing) 21\n3.5 損失函數(Loss Function) 23\n4 實證分析 24 \n4.1 資料 24\n4.2 樣本內估計 26\n4.3 樣本外預測 31\n4.4 動態極值理論與動態歷史模擬法 35\n4.5 損失函數 42\n4.6 小結 46\n5 結論 47 \n附錄 50zh_TW
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dc.source.urihttp://thesis.lib.nccu.edu.tw/record/#G0096258009en_US
dc.subject風險值zh_TW
dc.subject極值理論zh_TW
dc.subjectskew-t 分配zh_TW
dc.subject回溯測試zh_TW
dc.subjectValue at Risken_US
dc.subjectExtreme Value Theoryen_US
dc.subjectasymmetric exponential power distributionen_US
dc.subjectBack-testingen_US
dc.title不對稱分配於風險值之應用 - 以台灣股市為例zh_TW
dc.titleAn application of asymmetric distribution in value at risk - taking Taiwan stock market as an exampleen_US
dc.typethesisen
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