The prolonged crisis exposed the vulnerability of a monetary union without a banking union. The Single Supervisory Mechanism (SSM), which started operating in November 2014, is an essential step towards restoring banks to health and rebuilding trust in the banking system. The ECB is today...

We analyze the benefits and costs of a non-euro country opting-in to the banking union. The decision to opt-in depends on the comparison between the assessment of the banking union attractiveness and the robustness of a national safety net. The benefits of opting-in are still only potential and...