making and risk management. Over the past three decades there has been a trend towards increased asset return correlations … models proposed in the literature can be used to formally characterize and quantify market risk. In particular, we ask how … adequate these models are for modelling market risk at times of financial crisis. In doing so we consider a multivariate t …

making and risk management. Over the past three decades there has been a trend towards increased asset return correlations … models proposed in the literature can be used to formally characterize and quantify market risk. In particular, we ask how … adequate these models are for modelling market risk at times of financial crisis. In doing so we consider a multivariate t …

methods provide better overall forecasting performance and offer more attractive risk profiles compared to individual, pooled …

This paper considers a simple model of credit risk and derives the limit distribution of losses under different … results obtained indicate that if firm-specific risk exposures (including their default thresholds) are heterogeneous but come … from a common parameter distribution, for sufficiently large portfolios there is no scope for further risk reduction …