Yahoo! Finance:
Leading economists say #135bn hard Brexit boost claim 'defies gravity'
21 August 2017
The LSE quartet – professors Thomas Sampson, Swati Dhingra, Gianmarco Ottaviano and John Van Reenen – do concede that there is, potentially, a very minor boost to going it alone.
Their own models suggest that should the UK leave the bloc and trade under WTO rules, maintaining import tariffs, income per person falls by 2.6%. Under the ‘Britain alone’ scenario of unilateral liberalisation after Brexit, UK real incomes still fall by 2.3%....