It may be a new year, but Europe faces the same malaise that plagued it in 2011. And, with the application of the same policy prescriptions, the prognosis, sadly, is unchanged.

The independence of the European Central Bank (ECB), seemingly guaranteed by its statutes, is presently under attack. The ECB has been led to acquire large amounts of government debt of the weaker euro zone members, both to help contain their interest costs and to help protect the solvency of banks throughout the zone that hold their debt. This paper presents a model of a dependent central bank that internalizes the government’s budget constraint. Using a Barro-Gordon framework, the model embodies both the desire to stimulate output and to provide monetary financing to governments. The model implies that not only shock asymmetries, but also fiscal asymmetries, are important in the membership calculus of desirable monetary unions. On the basis of this framework, calibrated to euro zone data, the current membership is shown not to be optimal: other members would benefit from the expulsion of several countries, notably Greece, Italy and France.