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Modelling credit risk in portfolios of consumer loans: transition matrix model for consumer credit ratings

Malik, Madhur and Thomas, Lyn (2009) Modelling credit risk in portfolios of consumer loans: transition matrix model for consumer credit ratings , Southampton, UK University of Southampton 21pp. (Discussion Papers in Centre for Risk Research, CRR-09-02).

Record type: Monograph (Working Paper)

Abstract

The corporate credit risk literature has many studies modelling the change in the
credit risk of corporate bonds over time. There is far less analysis of the credit risk for
portfolios of consumer loans. However behavioural scores, which are commonly
calculated on a monthly basis by most consumer lenders are the analogues of ratings in
corporate credit risk. Motivated by studies in corporate credit risk, we develop a Markov
chain model based on behavioural scores to establish the credit risk of portfolios of
consumer loans. We motivate the different aspects of the model – the need for a second
order Markov chain, the inclusion of economic variables and the age of the loan – using
data on a credit card portfolio from a major UK bank

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More information

Published date: 2009
Keywords: markov chain, credit risk, logistic regression, credit scoring

Identifiers

Local EPrints ID: 71381
URI: http://eprints.soton.ac.uk/id/eprint/71381
PURE UUID: 7ca2ad8e-8798-42a9-8281-54423d715f79

Catalogue record

Date deposited: 03 Feb 2010
Last modified: 19 Jul 2017 00:00

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Contributors

Author: Madhur Malik
Author: Lyn Thomas

University divisions

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