“…In the switching approach, correlation can only take a finite number of values. We use the dynamic specification proposed by Pelletier (2006) and applied to hedge fund allocation problem by Giomouridis and Vrontos (2007). More generally, regime-switching models are used in the hedge funds literature in a number of contexts including measuring the systemic risk (Chan et al, 2006, Billio et al, 2010, studying serial correlations (Getmansky et al, 2004) and detecting switching strategies (Alexander and Dimitiu, 2004).…”