The Whitehall Briefing (leaked in January but only officially released this month) is not the last word on the potential long-term economic impact of Brexit, despite claims from others that it ‘proves’ GDP will be lower in ‘all’ scenarios. As the report itself says, it is only ‘draft...

This briefing explains that the UK and the EU would still be able to make arrangements which are already extended to non-EU members, such as an ‘air services agreement’ to keep planes flying. This would require flexibility on both sides, but the mutual interests in protecting aviation would...