Financial markets in Europe become more and more integrated. The persisting fragmentation of financial supervision, however, constitutes a lasting obstacle to integration. The aim of this paper is to assess these costs of supervisory fragmentation. We find clear evidence for the existence of...

We implement a meta-regression-analysis for the budgetary impact of numerical fiscal rules. Based on 30 studies published in the last decade, we offer a consensus estimate with respect to the level of statistical significance, provide suggestive evidence for the effect size, and identify study...

With the introduction of the Euro, a single European money market has emerged. Further wholesale financial markets are considered to be highly integrated within the European Union. However, integration in retail financial markets is less advanced. For measuring financial market integration this...

There is a growing empirical literature studying whether fiscal rules reduce borrowing costs. Nevertheless, it remains an open question whether these rules are effective genuinely or just because they mirror fiscal preferences of politicians and voters. In our analysis of European bond spreads,...