As global financial markets become increasingly interconnected, accurately modelling correlations between assets is essential. Traditional models often assume static correlations, which fail to ...

To assess the overall credit risk of a portfolio, it is important to consider the risk correlation between the counterparties (obligors) in addition to their individual credit risks. However, the ...

In this paper, the eigendecomposition of a Toeplitz matrix populated by an exponential function in order to model empirical correlations of US equity returns is investigated. The closed-form ...