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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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考量隨機回復率與風險因子承載係數之CDO評價模型 / Pricing CDO with random recovery rate and random factor loading

李慎, Li, Shen Unknown Date (has links)
本研究以Amraoui & Hitier (2008)隨機回復率模型(BNP model)以及Andersen and Sidenius(2004)隨機風險因子承載係數模型(RFL model)為基礎，進行對分劵信用價差、債劵群組累積損失機率分配，以及對基準違約相關係數的影響等分析。我們發現當回復率改成動態後可以反映更多系統風險，權益分劵信用價差絕大多數都會下降。在累積損失機率分配方面加入BNP後變為較平滑；改用RFL則會使機率分配在小額損失處又產生一次起伏；同時考量BNP與RFL會使小額損失發生機率減少、極端損失機率增加。實作三組市場資料時，發現不管市場違約機率高或低，共同考慮BNP與RFL的模型在四個模型中是最適合擬和市價的，顯示在市價的校準上有更多彈性，特別是在承擔名目本金60~100%先償分劵的校準上只有共同考慮BNP與RFL的模型能發揮功效。
回復率
風險因子承載係數
基準違約相關係數
擔保債權憑證
隨機回復率
隱含違約相關係數
權益分券
先償分劵
信用價差
校準
CDO
recovery rate
random factor loading
base correlation
credit spread
equity tranche
senior tranche
implied correlation
BNP
super senior tranche

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