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...

The 2007-2010 financial crisis highlighted the central role of financial intermediaries stability in buttressing a smooth transmission of credit to borrowers. While results from the years prior to the crisis often cast doubts on the strength of the bank lending channel, recent evidence shows...

The paper examines the basic rationale and features of the proposals adopted to separate specific investment and commercial banking activities (Volcker rule, Vickers and Liikanen proposals). In particular, it focuses on the likely implications of such initiatives for: (i) financial stability and...