This paper provides an overview of the key steps that were made in the European Union toward enhancing fiscal policy coordination and integration prior to the Covid-19 crisis. It especially highlights the key challenges and strategies that should be considered when thinking of further fiscal...

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....