This article examines the ability of time-varying Gaussian and Student t copulas to accurately predict the probability of joint extreme co-movements in stock index returns. Using a sample of more than 20 years of daily return observations of the Eurostoxx50 and Dow Jones Industrial stock...

This article presents the concept of a copula-based top-down approachin the field of financial risk aggregation. Selected copulasand their properties are presented. Copula parameter estimation andgoodness-of-fit tests are explained and algorithms for the simulationof copulas and...