On robust model selection within the Cox model
Model selection methods have shown to be useful in the process of econometric modelling. The paper studies robust Akaike--Schwarz type information criteria of model choice within the Cox model. The criteria are based on a smooth modification of the partial likelihood function. Apart from asymptotic results, a Monte Carlo study is presented, which shows the finite sample behaviour of the procedure under discrepancies from the Cox model. Analysis of a real unemployment data case is also included. Copyright Royal Economic Society 2006
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Volume (Year): 9 (2006)
Issue (Month): 2 (07)
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