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2009, Vol. 33, Núm. 1 >

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Citació: Cao, Ricardo; Vilar Fernández, Juan Manuel; Devía, A. Modelling consumer credit risk via survival analysis. "SORT", 2009, vol. 33, núm. 1, p. 3-30.
Títol: Modelling consumer credit risk via survival analysis
Autor: Cao, Ricardo; Vilar Fernández, Juan Manuel; Devía, A.
Editorial: Institut d'Estadística de Catalunya
Tipus de document: Article
Resum: Credit risk models are used by financial companies to evaluate in advance the insolvency risk caused by credits that enter into default. Many models for credit risk have been developed over the past few decades. In this paper, we focus on those models that can be formulated in terms of the probability of default by using survival analysis techniques. With this objective three different mechanisms are proposed based on the key idea of writing the default probability in terms of the conditional distribution function of the time to default. The first method is based on a Cox’s regression model, the second approach uses generalized linear models under censoring and the third one is based on nonparametric kernel estimation, using the product-limit conditional distribution function estimator by Beran. The resulting nonparametric estimator of the default probability is proved to be consistent and asymptotically normal. An empirical study, based on modified real data, illustrates the three methods.
ISSN: 1696-2281
URI: http://hdl.handle.net/2099/8937
Apareix a les col·leccions:2009, Vol. 33, Núm. 1
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