There are four main dangers facing the world economy - the end of quantitative easing, rising interest rates, the danger of trade wars, and the possible 'systemic collapse' of the eurozone.

That's according to economist and broadcaster Liam Halligan, who believes the biggest threat investors face is the potential break up of the eurozone, something he believes is likely to happen.

Speaking the Citywire Private Office Retreat, Halligan also discusses his view on why the single currency won't survive, and how Theresa May's recently rejected Chequers deal will give way to something else.