Tarashev, Nikola A.; Zhu, Haibin - 2007
measures of portfolio credit risk. When applied to large simulated portfolios with realistic characteristics, this procedure … reveals that violations of key assumptions of the well-known Asymptotic Single-Risk Factor (ASRF) model are virtually … inconsequential. By contrast, flaws in the calibrated interdependence of credit risk across exposures, which are driven by plausible …