Since 2008-09, the European Union (EU) experienced two major economic crises revealing all the flaws of the existing model of economic governance. By leaving the majority of the countries with high levels of deficit and public debt, the two crises have shown that the Economic and Monetary Union (EMU) is indeed an unfinished project where the monetary union alone is not sufficient to safeguard the entire EU economy. To strengthen the EMU and to mitigate future risks that could possibly lead to the collapse of the euro-area, many called for a deeper fiscal integration by creating a central fiscal capacity for the EMU or, in other words, a fiscal union. Due to the present political unfeasibility of such an endeavour, however, concrete steps to...