10 December 2018 L. Alan Winters CB, Professor of Economics and Director of the UK Trade Policy Observatory  The Brexit Withdrawal Agreement and the Political Declaration are being presented as a means to end the uncertainty about the UK’s future relationship with Europe. But in an explainer for the ESRC’s UK in a Changing Europe, Professor L Alan Winters argues that this is not the case. Uncertainty will continue regardless of what happens to the Withdrawal Agreement. Briefly, he argues that, if the Withdrawal Agreement is approved by Parliament and the EU: The backstop it mandates requires a customs union between the UK and the EU and that most EU regulations for goods will apply in Northern Ireland. However, there is no regulatory alignment between the rest of the UK and the EU and so, if the backstop came into operation, there would be border formalities both in the Irish Sea and as UK goods entered the EU via any other route. Negotiating a trade agreement with the EU will take a lot longer than the 21 months allowed for it in the Withdrawal Agreement, not least because every EU member state has a veto over trade agreements. The Political Declaration [...]