G20 summit: Cameron, Obama and world leaders pledge $2 trillion boost and 2.1pc GDP growth by 2018 November 16, 2014 Countries of the G20 have pledged to grow their economies by 2.1 per cent by 2018, adding $2 trillion (£1.25 trillion) to the global economy. The G20 summit in Brisbane was brought to a close by leaders committing to more than 800 reforms aimed at growing their collective GDP, including employment measures, Infrastructure investment, increasing [...]