A friend of Eumaeus comments on my post yesterday, where I said “I have argued many times in the past that we should look at the default experience of the 1930s (or the 1880s or whenever) in assessing the true default risk of long term credit exposure.” He objects that the PRA have done exactly that, citing Supervisory Statement 8/18:
When using transition data, the PRA expects firms to … compare their modelled 1 in 200 transition matrix and matrices at other extreme percentiles against key historical transition events, notably the 1930s Great Depression (and 1932 and 1933 experience in particular). This should include considering how the matrices themselves compare as well as relevant outputs…
Continue reading “The experience of the 1930s – more from the postbag”