In jüngerer Zeit sind im professionellen Portfoliomanagement zunehmend Faktorenmodelle in den Vordergrund bei der Investment-Analyse gerückt und haben klassische Modelle wie das CAPM mehr und mehr verdrängt. Charakte-ristisch für diese Modelle ist, daß lediglich ein...

Default probabilities (PDs) and correlations play a crucial role in the New Basel Capital Accord. In commercial credit risk models they are an important constituent. Yet, modeling and estimation of PDs and correlations is still under active discussion. We show how the Basel II one factor model...

For banks, credit lines play an important role exposing both liquidity and credit risk. In the advanced internal ratings‐based approach, banks are obliged to use their own estimates of exposure at default using credit conversion factors. For volatile segments, additional downturn estimates are...