Barigozzi, Matteo; Brownlees, Christian T.; Gallo, … - Dipartimento di Statistica, Informatica, Applicazioni … - 2010
When observed over a large panel, measures of risk (such as realized volatilities) usually exhibit a secular trend around which individual risks cluster. In this article we propose a vector Multiplicative Error Model achieving a decomposition of each risk measure into a common systematic and an...