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首页> 外文期刊>International journal of theoretical and applied finance >Credit modeling under jump diffusions with exponentially distributed jumps - Stable calibration, dynamics and gap risk
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Credit modeling under jump diffusions with exponentially distributed jumps - Stable calibration, dynamics and gap risk

机译:具有指数分布跳跃的跳跃扩散下的信用建模-稳定的校准,动力学和缺口风险

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摘要

This paper investigates a structural credit default model that is based on a hyper-exponential jump diffusion process for the value of the firm. For credit default swap prices and other quantities of interest, explicit expressions for the corresponding Laplace transforms are derived. The time-dynamics of the model are studied, particularly the jumps in credit spreads, the understanding of which is crucial e.g. for the pricing of gap risk. As an application of our findings, the model is calibrated to credit default swap spreads observed in the market.
机译:本文研究了基于企业价值的超指数跳跃扩散过程的结构性信用违约模型。对于信用违约掉期价格和其他感兴趣的数量,导出了相应的Laplace变换的显式表达式。研究了模型的时间动力学,特别是信贷息差的跳跃,对此的理解至关重要。缺口风险的定价。根据我们的发现,该模型已根据市场上观察到的信用违约掉期利差进行了校准。

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