In recent years, credit risk has played a key role in risk management issues. Practitioners, academics and regulators have been fully involved in the process of developing, studying and analyzing credit risk models in order to find the elements which characterize a sound risk management system.(...)

The third-quarter 2002 default rate for high yield bonds was 4.95%, based on $37.48 billion of defaults. The quarterly default rate is the highest in history, surpassing the first quarter of 1991 rate of 4.80%.(...)