This paper develops an empirical procedure for analyzing the impact of model misspecification and calibration errors on measures of portfolio credit risk. When applied to large simulated portfolios with realistic characteristics, this procedure reveals that violations of key assumptions of the...

In the wake of the Asian financial crisis, many regimes in Asia adopted stricter provisioning requirements, as well as discretionary measures, with the objective of increasing provisioning in good times in response to rising levels of risk. Based on a final sample of 240 banks in 12 Asian...