On Infectious Model for Dependent Defaults

Jia-Wen Gu, Wai-Ki Ching, Tak Kuen Siu and Harry Zheng

Papers from arXiv.org

Abstract: In this paper, we propose a two-sector Markovian infectious model, which is an extension of Greenwood's model. The central idea of this model is that the causality of defaults of two sectors is in both direction, which enrich dependence dynamics. The Bayesian Information Criterion is adopted to compare the proposed model with the two-sector model in credit literature using the real data. We find that the newly proposed model is statistically better than the model in past literature. We also introduce two measures: CRES and CRVaR to give risk evaluation of our model.

Date: 2013-01
New Economics Papers: this item is included in nep-ban and nep-rmg
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1301.0186

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