“…The tumultuous period of the financial crisis and the following sovereign debt crisis brought deep economic imbalances within the EMU to the limelight (Lane, 2012 (Harding andPagan, 2002, 2006;Artis et al, 2004;Grigoraş and Stanciu, 2016), dynamic factor models (Lee, 2013;Lehwald, 2013;Kose et al, 2003), dynamic correlations (Croux et al, 2001;Fidrmuc and Korhonen, 2010), rolling coefficients (Gayer, 2007), correlation coefficients (Furceri and Karras, 2008) We focus on gross domestic product as our main indicator for business cycle movements for two reasons: it is (i) the most comprehensive measure for aggregate economic activity and (ii) the most widely used and accepted measure in the academic literature and in the general public Grigoraş and Stanciu, 2016). …”