Britain’s GDP took a hit of up to 8% following the departure from the EU, analysts say Britain’s departure from the European Union reduced the country’s gross domestic product by as much as 8% by 2025, according to a working paper from the National Bureau of Economic Research (NBER). The decline was driven by sharp drops in investment, employment, and productivity. The authors of the NBER study ‘The Economic Impact of Brexit’, published this month, include economists from Stanford University,