Rösch, Daniel, Harald Scheule, "Credit Portfolio Loss Forecasts for Economic Downturns", Financial Markets, Institutions & Instruments, Vol. 18, No. 1, (February 2009), pp. 1-26.

Abstract: Recent studies find a positive correlation between default and loss given default rates of credit portfolios. In response, financial regulators require financial institutions to base their capital on ‘Downturn’ loss rates given default which are also known as Downturn LGDs. This article proposes a concept for the Downturn LGD which incorporates econometric properties of credit risk as well as the information content of default and loss given default models. The concept is compared to an alternative proposal by the Department of the Treasury, the Federal Reserve System and the Federal Insurance Corporation. An empirical analysis is provided for US American corporate bond portfolios of different credit quality, seniority and security.

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