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违约率模型的识别力检验研究 被引量:2
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作者 王周伟 《经济论坛》 2005年第14期85-86,共2页
关键词 违约率模型 风险估计系统 信用风险 识别力检验 银行业
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KMV模型的信用风险度量特征 被引量:9
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作者 吴建民 贾知青 《统计与决策》 CSSCI 北大核心 2004年第11期122-123,共2页
关键词 KMV模型 股票市场 信用风险管理模型 度量特征 预期违约率模型 CREDITMETRICS模型 资产价值模型
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Risk-Neutral Dynamic of Forward-Looking Default Probabilities and Recovery Rates: Evidence From Credit Default Swap Prices of DOW30 Companies
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作者 Chavalit Kitjakarnlertudom Sira Suchintabandid 《Chinese Business Review》 2011年第10期811-843,共33页
In modem financial markets, the credit default swap (CDS) market has supplanted the bond market as the industry gauge for a borrower's credit quality. Therefore, it is very important to value CDS accurately by gett... In modem financial markets, the credit default swap (CDS) market has supplanted the bond market as the industry gauge for a borrower's credit quality. Therefore, it is very important to value CDS accurately by getting closer to more realistic pricing models. So far there have been no models for extracting forward-looking credit information to value CDS. In current practice, historical data is used in a credit default swap pricing model. One of the reasons was the difficulty when the market for credit derivatives was small, to extract forward-looking credit information such as recovery rates and default probabilities from traded securities. Since the CDS market has undergone rapid expansion in recent years, the possibilities of extracting forward-looking credit information have increased. Our work significantly extends Das and Hanouma (2009) where a flexible jump-to-default model was introduced to obtain implied recovery rates. We improve the flexible jump-to-default model where forecasted forward-looking hazard rates and recovery rates can be extracted using stock prices, stock volatilities and data from credit default markets to forecast CDS spreads. Instead of using exogenously assumed constant recovery rates and default probabilities from a credit rating agency, we use forward-looking hazard rates and recovery rates to price and forecast CDS spreads. We also compare out-of-sample market CDS spreads with our forecasted CDS spreads to check how well our model performs. Our model fit the market CDS spreads very well across all time to maturity CDS contracts except in some extreme cases when there is a big jump in CDS spreads. 展开更多
关键词 financial derivatives derivatives pricing credit default swaps
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基于Monte-Carlo模拟的CMOs多因素定价模型研究 被引量:2
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作者 范为 俞乔 刘江波 《管理评论》 CSSCI 北大核心 2014年第5期12-22,共11页
本文研究了抵押贷款证券化产品中的一类典型结构——CMOs(Collateralised Mortgage Obligation)的定价模型及定价系统设计。首先探讨了CMOs产品的三个主要影响因素——利率、违约率、提前偿付率,并建立相应模型:随机利率CIR模型,违约率... 本文研究了抵押贷款证券化产品中的一类典型结构——CMOs(Collateralised Mortgage Obligation)的定价模型及定价系统设计。首先探讨了CMOs产品的三个主要影响因素——利率、违约率、提前偿付率,并建立相应模型:随机利率CIR模型,违约率SDA模型,提前偿付PSA模型。然后,通过Monte-Carlo模拟来对CMOs进行定价研究。最后,对CMOs产品相关影响因素(利率、违约率、提前偿付率),进行了单因素和双因素压力测试。 展开更多
关键词 随机利模型 违约率模型 提前偿付模型 MONTE-CARLO模拟 压力测试
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我国银行业气候转型风险压力测试研究 被引量:5
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作者 魏雷 王元海 +1 位作者 杨志峰 赵照 《金融发展评论》 2022年第5期50-61,共12页
“气候风险会导致金融风险”已成为国际金融监管共识。随着我国碳达峰碳中和目标和相关行动方案制定实施,分析评估气候转型风险对我国金融稳定的影响十分必要。本文运用压力测试方法,假定碳排放政策趋严、碳减排技术进步和二者混合的三... “气候风险会导致金融风险”已成为国际金融监管共识。随着我国碳达峰碳中和目标和相关行动方案制定实施,分析评估气候转型风险对我国金融稳定的影响十分必要。本文运用压力测试方法,假定碳排放政策趋严、碳减排技术进步和二者混合的三种压力冲击情景,并利用改进的总生产函数、宏观违约率模型等测算了不利情景冲击对我国银行业的整体影响程度,从建立和完善气候相关信息披露机制、将气候转型风险纳入金融机构全面风险管理框架、加强气候政策预期管理等方面提出相关政策建议。 展开更多
关键词 气候转型 压力测试 宏观违约率模型(MPD)
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