22 February 2018 Alasdair Smith is an Emeritus Professor of Economics at the University of Sussex, and is a Fellow of the UK Trade Policy Observatory. This week  Economists for Free Trade (EfFT) suggested that if the post-Brexit UK were to embrace unilateral free trade (UFT), the net effect of Brexit would be positive rather than negative. Earlier work on unilateral free trade has focused exclusively or largely on tariff reductions – and this latest paper has the merit of recognising that border costs and non-tariff measures (NTMs) should be brought into the analysis. Unfortunately, as Jonathan Portes and Chris Giles have observed, the EfFT assumptions are not credible.[1] […]