Calibration Methodology for the Credit Migration Matrix
Document ID: 2005-336 (previously 2005/015)
Published on: 1st November 2005
Author: Delme Pritchard
This note presents the methodology for calibrating the credit migration matrix used in Barrie & Hibbert's corporate bond model for the purpose of modelling corporate bond portfolio behaviour over long-term planning horizons.
The key methodological tool is weighted least squares.