The EU has long viewed economic and institutional convergence as important goals, but the results thus far have been decidedly mixed, and there remain several open questions: How exactly should convergence be defined? How much convergence is necessary? What steps can be taken to improve...

The UK exit from the EU represents a qualitative change in the nature of EU membership. On the one hand, it conveyed the lesson that for the Union to be sustainable, membership needs to entail constant caretaking as far as individual members' contributions to the common good are concerned, with...