This paper contributes to the discussion on the European current account imbalances by analysing the intra-European trends since 1990 based on the theory of optimum currency areas. The authors show that German unification was the origin of not only the 1992-93 EMS crisis but also rising...

We propose a simple model of the sovereign-bank diabolic loop, and establish four results. First, the diabolic loop can be avoided by restricting banks' domestic sovereign exposures relative to their equity. Second, equity requirements can be lowered if banks only hold senior domestic sovereign...