Düllmann, Klaus; Küll, Jonathan; Kunisch, Michael - Deutsche Bundesbank <Frankfurt, Main> / … - 2008
institutions. By means of a simulation study, we explore the hypothesis that differencesin the correlation estimates are due to a … substantial downward bias characteristicof estimates based on default rates. Our results suggest that correlation estimates … explain the dierences in correlation estimates. Furthermore, ourresults help to quantify the estimation error of asset …