“…The severity of the 2008-2009 …nancial turmoil has revealed the strength of the linkages between the …nancial markets and the banking system, the housing sector, the credit market, and the monetary framework. Moreover, its dramatic economic damages and potentially long-lasting e¤ects emerged as key elements for evaluating the impact that external imbalances, oil prices, private investment, stock and credit markets or even duration dependence has on the likelihood of "boombust" episodes and expansion and contraction ending (Agnello and Nerlich, 2010;Castro, 2010a).…”