The Telegraph is wrong (again) about Brexit damage
Jessop then takes aim at the work of several people including John Springford of the Centre for European Reform, who created a “doppelganger” of a UK economy to which Brexit never happened. This ‘shadow economy’, built through sophisticated modelling, reacts just as the UK has done in the past so we can see how the UK has performed in comparison with the model since Brexit. Springford’s model assesses the hit of Brexit as being 5%.