The European Central Bank's Outright Monetary Transactions (OMT) programme was a politically-pragmatic tool to diffuse the euro-area crisis. But it did not deal with the fundamental incompleteness of the European monetary union. As such, it blurred the boundary between monetary and fiscal...

With a unique data set summarizing the quality of rules-based fiscal governance in EU member states, we show that stronger fiscal rules in euro area members reduce sovereign risk premia, in particular in times of market stress. To do so, we develop a model of sovereign spreads that are...