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A copula approach to credit valuation adjustment for swaps under wrong-way risk
Journal of Credit Risk ( IF 0.880 ) Pub Date : 2018-01-01 , DOI: 10.21314/jcr.2017.234
Jakub Cerny , Jiri Witzany

This paper deals with the credit valuation adjustment (CVA) of interest rate swap (IRS) contracts in the presence of an adverse dependence between the default time and interest rates: so-called wrong-way risk (WWR). It compares the upper Frechet bound approach introduced in a 2013 paper by Umberto Cherubini with a new semi-analytical IRS–CVA formula that we are proposing as a modification of Cherubini’s approach. The approaches are compared via a numerical study, in which we find that our semianalytical formula (the modified approach) provides more precise IRS–CVA valuation results.

中文翻译:

错向风险下掉期信用估值调整的copula方法

本文讨论了在违约时间和利率之间存在不利依赖性的情况下利率互换 (IRS) 合同的信用估值调整 (CVA):所谓的错向风险 (WWR)。它将 Umberto Cherubini 在 2013 年的一篇论文中引入的 Frechet 上限方法与我们提出的一种新的半分析 IRS-CVA 公式进行了比较,该公式是对 Cherubini 方法的修改。通过数值研究对这些方法进行了比较,我们发现我们的半分析公式(修改后的方法)提供了更精确的 IRS-CVA 估值结果。
更新日期:2018-01-01
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