The European Union's banking union project started in mid-2012 in response to the euro-area crisis, with the goal of breaking the bank-sovereign vicious circle. The objective was also to restore private liability in banking and to move towards an integrated supranational market for banking...

The great financial crisis and the euro area crisis led to a substantial reform of financial safety nets across Europe and - critically - to the introduction of supranational elements. Specifically, a supranational supervisor was established for the euro area, with discrete arrangements for...