tools of Random Matrix Theory (RMT) and Principal Component Analysis (PCA), our paper aims to extract latent information … embedded in the interactions between economic and business sentiment indices around the world. We find that: (i) The dynamics … collapse of the US housing market in 2007, can lead to a homogenization of the expectation structure around the world, as such …

than previously thought. The present study provides asymptotic theory justifying the use of these methods when there are …