Post-Brexit Britain has "significantly underperformed" other advanced economies since the 2016 EU referendum, according to new analysis from Goldman Sachs, which aims to quantify the economic cost of the Leave vote. In a note last week entitled "The Structural and Cyclical Costs of Brexit," the Wall Street bank estimates that the U.K. economy grew 5% less over the past eight years than other comparable countries. The true hit to the British economy could be anywhere from 4% to 8% of real gross domestic product (GDP), however, the bank said, acknowledging the difficulties of extracting the impact of Brexit from other ... (full story)