We study the application of approximate mean field variational inference algorithms to Bayesian panel VAR models in which an exchangeable prior is placed on the dynamic parameters and the residuals follow either a Gaussian or a Student-t distribution. This reduces the estimation time of possibly...

This paper investigates the market pricing of subprime mortgage risk on the basis of data forthe ABX.HE family of indices, which have become a key barometer of mortgage marketconditions during the recent financial crisis. After an introduction into ABX index mechanicsand a discussion of...

The extension of GARCH models to the multivariate setting has been fraught with difficulties. In this paper, we suggest to work with univariate portfolio GARCH models. We show how the multivariate dimension of the portfolio allocation problem may be recovered from the univariate approach. The...

The following sections provide a more detailed description of the methodology for assessing the internal governance and risk management (IGRM) of significant institutions as part of the Supervisory Review and Evaluation Process (SREP).