The single market's 'agglomeration effects' – the tendency of wealthier areas to attract capital and skills – seem as strong as the 'catch-up effects' of poorer members importing capital and expertise.
The EU needs to become more flexible if it is to tackle current and future challenges effectively. But it should do so transparently, and remain inclusive.
David Davis promised that Westminster will have the same scrutiny powers in the Brexit talks as the European Parliament would. But what does that really mean?
The Middle East peace process is frozen. Rather than attempting to reach an all-or-nothing final agreement, Europe and the US should pursue an incremental approach.
The EU is far from having solved the problems that led to the refugee crisis. It needs to make its asylum system work and do more to send irregular migrants back.
A post-Brexit deal on Europol should be relatively easy to negotiate. The UK could retain a special status, but the British government will need to make some concessions.
The EU, Russia's Eurasian Economic Union and China's One Belt, One Road initiative may become rival spheres of influence. But could they complement each other instead?
The EU's Eastern Partners are caught between the West, which excludes them from its organisations, and Russia, which tries to force them into its orbit.
