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系統識別號 U0002-1306201214062700
中文論文名稱 政府資金挹入與購買不良資產方案 對銀行權益報酬違約風險機率影響之探討
英文論文名稱 Default Risk in Bank Equity Returns under Capital Injections and Distressed Asset Purchases by Government
校院名稱 淡江大學
系所名稱(中) 國際企業學系碩士班
系所名稱(英) Master's Program, Department Of International Business
學年度 100
學期 2
出版年 101
研究生中文姓名 吳姵賢
研究生英文姓名 Pei-Shian Wu
電子信箱 angelawu_0258@hotmail.com
學號 699551072
學位類別 碩士
語文別 中文
口試日期 2012-05-04
論文頁數 67頁
口試委員 指導教授-林志鴻
共同指導教授-賴錦璋
委員-張慶暉
委員-蔡政言
中文關鍵字 違約風險  利差  政府援助 
英文關鍵字 Default Risk  Interest Margin  Bailout 
學科別分類
中文摘要 由2007次級房貸到2009年的金融危機,導致全球金融機構陷入流動性不足與信用緊縮之困境。美國推動不良資產援助方案(Troubled Asset Relief Program; TARP)以援救瀕臨崩潰的金融體系。各方學者則對於TARP抱持不同的見解,認為TARP未能有效降低銀行承擔之風險。本研究以金融危機為背景,以銀行權益報酬之角度切入,觀察政府對銀行進行援助之方式對銀行廠商權益報酬違約風險機率是否有直接幫助,進而穩定整體經濟環境。
本研究中政府對銀行援助部份僅限於抵押放款,而進行援助後,銀行將藉由利差管理,減少持有不良放款之數量,並進而對銀行權益報酬違約風險機率產生影響。研究結果表示,不論政府採取直接資金挹入或購買銀行不良資產,皆能有效降低銀行權益報酬之違約風險機率。由此可得,TARP具政策有效性,並進而穩定整體金融環境,但其高援助成本與失敗風險亦由社會大眾共同承擔。
英文摘要 The subprime mortgage in 2007 and the financial crisis of 2009 caused global financial institutions into a lack of liquidity and credit crunch. The United States promotes the Troubled Asset Relief Program (TARP) in order to save the financial system which is close to collapse. However, many of researchers have different point of views about TARP that they believe TARP does not reduce the risks effectively for the banks. This study based on the financial crisis as the background, the perspective of banks’ equity returns, and observations of government assistance to default risk in bank equity returns are directly and effectively helpful.

The results of this study: The policy (TARP) includes: buying distress assets from banks by exchequer bill and increasing direct capital injection. Though optimal loan rate and mortgage rate adjustment, both way can effectively decrease the default risk in Bank equity returns. According to the results of this study, indicate the policy can solve the problem that institutions lack of liquidity and credit crunch, and effectively stable the financial environment.
論文目次 目錄


謝辭...................................................... I
中文摘要..................................................II
英文摘要................................................ III
目錄..................................................... IV
圖表目錄................................................. VI

第一章緒論 ................................................1
第一節研究動機.............................................2
第二節 研究目的............................................3
第三節 研究方法............................................4
第四節 研究架構............................................5

第二章文獻探討 ............................................7

第一節銀行利差管理之相關文獻...............................7
第二節 政府援助之相關文獻.................................12
第三節 違約風險之相關文獻.................................16

第三章基本模型 ...........................................20

第一節模型之符號說明......................................20
第二節 模型架構...........................................22
第三節 目標利潤函數.......................................26
第四節 權益報酬違約風險...................................28

第四章模型均衡條件與比較靜態分析..........................30

第一節模型均衡條件........................................30
第二節 比較靜態分析 ......................................33

第五章結論 ...............................................53

附錄......................................................55

參考文獻..................................................61



圖表目錄


表 1: 銀行利差管理之相關文獻..............................11
表 2: 政府援助之相關文獻..................................15
表 3: 違約風險之相關文獻..................................18
表 4: Pdef,∂Pdef/∂RL,與∂Pdef/∂α之計算值.................35
表 5: S,∂S/∂RL,與∂2S/∂RL∂α之計算值......................38
表 6: Pdef,,∂Pdef/∂RX與∂Pdef/∂α之計算值.................43
表 7: S,∂S/∂RL,與∂2S/∂RL∂θ之計算值......................48
圖 1: 研究架構流程.........................................6
圖 2: 在α與RL變動下對Pdef之影響..........................36
圖 3: 在α與RL變動下對S之影響.............................39
圖 4: 在α與RX變動下對Pdef之影響..........................44
附表 1: 高風險下,α與RX的變化對Pdef之影響* ..............58
附表 2: 低風險下,α與RX的變化對Pdef之影響* ..............58
附表 3: 低風險下,α與RX的變化對Pdef之影響* ..............59
參考文獻 參考文獻

中文部分:

邱淑婷 (2011),「資本管制、紓困方案與銀行利差管理:兩階段買賣權訂價模
型」,淡江大學國際企業學系碩士論文。
郎偉芳 (2009),「此次金融危機的影響及各國因應措施之探討」,行政院經濟建
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陳木在、陳錦村 (2001),商業銀行風險管理,台北:新陸書局。
許家豪 (2011),「保證放款支付援助方案,資本管制與銀行最適利差:
選擇權評價模式」,淡江大學國際企業學系碩士論文。
郭秋榮 (2009),「全球金融風暴之成因、對我國影響及因應對策之探討」,存款
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葉秋南 (2009),「美國金融危機時期的貨幣政策」,台灣經濟論衡,第7卷,第
11期,頁20-39。
董瑞斌 (2009),「後金融海嘯時代金融發展現況與展望」,台灣金融論壇系列。
廖鎮國 (2000),「由「銀行體系」和「市場體系」來探討商業銀行利差決定因素
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賴志偉 (2010),「以美國問題資產援助計畫為背景 來探討公司特徵與財務彈性
的關係」,中正大學財務金融所碩士論文。




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