As 20 15 comes to an end, and 20 16 comes into focus , there remains s ig nificant unfinis hed bus ines s in the g lobal economy. While 20 16 will s ee hig her real GDP g rowth (3.0%) than the previous two years (2.7-2.8%), reflecting more expans ive activity in s everal key countries and a revers al of contraction in others , this will s till 'feel' s ubdued, with g lobal inves tment and trade…