But at this point, the weaknesses in EMU's architecture probably pose a more fundamental challenge. The balance between liability and control has got out of kilter. We need to regain that balance if we are to put EMU on a more solid footing.
Since a genuine fiscal union is not on the cards - and to me, it does not seem to be for the foreseeable future - we need to make the principle of individual responsibility work. But we also need to put an end to the preferential treatment afforded to sovereign debt in order to immunise the financial system against sovereign default..