This paper surveys the theoretical and empirical research on the efficient assignment of policy tasks to different levels of government and applies the results on the delimitation of competences within the European Union. The main results are: (i) A precise derivation of an optimal degree of...

Large swings in cross-border capital flows can have consequences for domestic stability and open a channel for the transmission of shocks and spillovers across economies, including the euro area. Against this backdrop, the present paper reviews new evidence for the effectiveness of capital flow...