There are different views about where this is headed, is said in the blog post. The Council of Economic Experts criticizes various shortcomings. Instead, the economic advisor e.g. propose an insolvency mechanism in case states go bankrupt.
Zeit online - Blog "Herdentrieb": "Eurozone stärker integrieren - möglich und nötig?"
To the contribution of Lars P. Feld, Christoph M. Schmidt, Isabel Schnabel und Volker Wieland: "Europäische Union - Vertiefung möglich und nötig?" as an excerpt in the blog "Herdentrieb"