Indeed, he was convinced that the public good of financial stability also needed to be provided at EU level, and that would have necessitated the creation of an EU supervisory framework. At Maastricht, the Member States could not agree on this.
Tommaso considered this a mistake – and the EU had to learn its lesson from this omission the hard way, during the financial crisis. Tommaso regarded the convergence of supervisory rules and of supervisory practices through enhanced cross-border cooperation as intermediate steps towards the final objective.