19 June 2017 Alasdair Smith is an Emeritus Professor of Economics at the University of Sussex, and is a member of the UK Trade Policy Observatory. It’s now 12 months since the referendum decision, 3 months since the Article 50 notification, and only 21 months until the date on which the UK is due to exit the EU. Brexit negotiations start today, but most politicians have still not progressed beyond the stage of wishful thinking. There are ambiguities about the objectives of both the large political parties but each seems to want some kind of free trade agreement (FTA) with the EU after Brexit, often described by a phrase like ‘tariff-free access to the single market’. Behind such inherently confused terminology lies an apparent wish to have a ‘deep’ FTA; that is to say, a UK-EU FTA which has no tariffs and sufficient regulatory convergence between the UK and the EU that many of the non-tariff advantages of the single market are retained. Here’s the first hard truth: a deep UK-EU FTA cannot be negotiated in 21 months. Even much weaker agreements take longer, especially if the political and technical ground has not been prepared in advance, so it’s not [...]