So what do we do going forward if previous forecasts haven't been 100% (though we do have the slowest growth in Europe apart from Russia since the vote) Shall we wing it, hope for the best?
Nice comparison of different forecasts from the Treasury, IMF, OECD, Economist For Brexit and National Insititute for Economic Research here by the way -
https://www.niesr.ac.uk/blog/brexit-...d-they-perform It's a bit dated as it's from August 2017 but interesting to see the spread