This paper is one of four in this Working Paper series, focusing on financial liberalisation, along with those by Miller and Weller, Driscoll, and Blundell-Wignall and Browne. It examines the historical volatilities of stock, bond and foreign currency markets over alternative periods differing...

I develop methods that produce consistent estimates of the Vasicek-Basel IRB (VAIRB) credit risk model parameters. I apply these methods to Moody's data on corporate defaults over the period 1920–2008 and assess the model fit and construct hypothesis tests using bootstrap methods. The results...