Multiple Event Incidence and Duration Analysis for Credit Data Incorporating Non-Stochastic Loan Maturity

Richard Gerlach, Andrey Vasnev and John Watkins

No 03/2013, Working Papers from University of Sydney Business School, Discipline of Business Analytics

Abstract: Applications of duration analysis in Economics and Finance exclusively employ methods for events of stochastic duration. In application to credit data, previous research incorrectly treats the time to pre-determined maturity events as censored stochastic event times. The medical literature has binary parametric ‘cure rate' models that deal with populations that never experienced the modelled event. We propose and develop a Multinomial parametric incidence and duration model, incorporating such populations. In the class of cure rate models, this is the first fully parametric multinomial model and is the first framework to accommodate an event with pre-determined duration. The methodology is applied to unsecured personal loan credit data provided by one of Australia's largest financial services organizations. This framework is shown to be more flexible and predictive through a simulation and empirical study that reveals: simulation results of estimated parameters with a large reduction in bias; superior forecasting of duration; explanatory variables can act in different directions upon incidence and duration; and, variables exist that are statistically significant in explaining only incidence or duration.

Date: 2012-12
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Persistent link: https://EconPapers.repec.org/RePEc:syb:wpbsba:2123/8963

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