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Corporate Credit Risk Modelling and the Macroeconomy

出版	SSRN, 2006
URL	http://books.google.com.hk/books?id=nTDTzgEACAAJ&hl=&source=gbs_api

註釋Despite a surge in the research efforts put into modelling credit risk during the past decade, few studies have incorporated the impact that macroeconomic conditions have on business defaults. In this paper, we estimate a duration model to explain the survival time to default for borrowers in the business loan portfolio of a major Swedish bank over theperiod 1994-2000. The model takes both firm-specific characteristics, such as accounting ratios and payment behaviour, loan-related information, and the prevailing macroeconomic conditions into account. The output gap, the yield curve and consumers' expectations of future economic development have significant explanatory power for the default risk of firms. We also compare our model with a frequently used model of firm default risk that conditions only on firm-specific information. The comparison shows that while the latter model can make a reasonably accurate ranking of firms' according to default risk, our model, by takingmacro conditions into account, is also able to account for the absolute level of (default, and thus also credit) risk.