NO.PZ2020011303000128
问题如下:
A bank has a USD 100 million portfolio of loans with a PD of 0.75%. What is the 99.9 percentile of the default rate given by the Vasicek model? Assume a correlation parameter of 0.2.
选项:
解释:
The default rate is
N{[N-1(0.0075)+0.2^0.5N-1(0.999)]/0.8^0.5}=0.1201 or 12.01%.
请问N-1(0.0075) 这个可以用excel算吗