You can see the wide range of the different model estimates in this graph; they span a range from −0.5 per cent to 2 per cent, with the model average just under 1 per cent (Graph 2).
Europeans’ trust in the euro can be inferred from their support of Economic and Monetary Union with the euro as the single currency: in the euro area, almost two-thirds of citizens support the single currency (63%).3 Therefore, besides their function as an overseer for retail payments, central banks also need to build trust, facilitate integration and improve efficiency in this field too.