Mühlbacher, Andreas; Guhr, Thomas - In: Risks : open access journal 6 (2018) 3, pp. 1-25
the case of large, overlapping credit portfolios. We analytically calculate the multivariate joint loss distribution of … several credit portfolios on a non-stationary market. To take fluctuating asset correlations into account, we use an random … number of parameters. We show that, for two disjoint credit portfolios, diversification does not work in a correlated market …