Barbieri, Claudio; Guerini, Mattia; Napoletano, Mauro - 2021
We investigate the synchronization of Eurozone's government bond yields at different maturities. For this purpose, we … combine principal component analysis with random matrix theory. We find that synchronization depends upon yields maturity … partially recover after 2015. We show the existence of a duality between our empirical results and portfolio theory and we point …