Should a subset of member states of a federation be allowed to form a sub-union on some policy issue? When centralization is not politically feasible, allowing an enhanced cooperation agreement among a subset of countries permits the latter to gain benefits which would otherwise be lost....

We study convergence and divergence dynamics in a sample of EMU countries by assembling an extensive dataset that contains information on public spending and policy outcomes in a variety of areas of government intervention including education, health, and civil justice from the early 1990s. We...

Using data from a unique survey of members of parliaments in France, Germany and Italy in 2018, we estimate the effects of three dimensions on EU and euro area fiscal reform preferences: nationality, political ideology, and populism. We predict and confirm that a German populist party on the...

Given the enlargement of the European Union, the fall-back in productivity growth and the lack of success in implementing further structural reforms, this special issue highlights the political economy in the European Union and discusses the role of the Maastricht Treaty as an impediment or a...