This function turns out the MBBEFD b and g parameters for the famous Swiss Re (SR) exposure curves.
A numeric value
The four Swiss Re Y1-Y4 are defined for c=1.5, 2, 3, 4. In addition c=5 coincides with a curve used by Lloyds for industrial risks exposure rating.
A named two dimensional vector
BERNEGGER, STEFAN. THE SWISS RE EXPOSURE CURVES AND THE MBBEFD DISTRIBUTION CLASS. Astin Bulletin (1997): 99.
1 2 3