| 研究生: |
邵惠敏 Shao, Hui Min |
|---|---|
| 論文名稱: |
離散型動態回復率模型之建構與應用 Discrete dynamic recovery rate modeling and its application |
| 指導教授: | 江彌修 |
| 學位類別: |
碩士
Master |
| 系所名稱: |
商學院 - 金融學系 Department of Money and Banking |
| 論文出版年: | 2010 |
| 畢業學年度: | 98 |
| 語文別: | 中文 |
| 論文頁數: | 66 |
| 中文關鍵詞: | 動態回復率 、合成型擔保債權憑證 、損失分配 、系統性風險 |
| 外文關鍵詞: | dynamic recovery rate, CDO, loss distribution, systematic risk |
| 相關次數: | 點閱:238 下載:0 |
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本文主要研究動態回復率之建構。並搭配使用機率勺斗法,將資產之離散損失分配建構出合成型擔保債權憑證分劵損失分配。歸納出離散動態回復率對合成型擔保憑證分劵之風險承擔與信用價差變化。本文發現在動態回復率中,即使在相同條件下有一樣預期損失,能使其債權群組損失分配之標準差較固定回復率小,且可使投資組合巨額損失部份產生厚尾分配現象。動態回復率對各分劵面臨共同存活與違約機率具有緩和或增強分劵承擔風險之作用。在單因子高斯連繫結構靜態違約下,透過隨機回復率能增加動態系統性風險因子之描繪。類似於將系統風險因子分配由標準常態分配改成t分配或是債權群組間違約相關係提高。
第一章 緒論 4
第二章 文獻探討 7
第一節 回復率介紹 7
第二節 文獻回顧 10
第三章 基本假設與模型設定 15
第一節 合成型擔保債權憑證評價模型 15
第二節 因子連繫模型(Factor Copula) 17
第三節 Krekel 動態回復率模型 18
第四節 Charaf 動態回復率模型 21
第五節 機率勺斗法 27
第四章 數值結果與分析 30
第一節 回復率敏感度分析 31
第二節 違約機率與違約條件下損失之關係 33
第三節 債權群組累積損失分配 37
第四節 動態回復率下各分劵風險特徵 45
第五節 動態回復率對違約相關性之影響 51
第六節 動態回復率對分劵系統風險之影響 55
第五章 結論 58
江彌修、岳夢蘭、林恩平,2009,「條件獨立假設下合成型擔保債權憑證之評價與避險」,《財務金融學刊》第17期,1-40
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