Central banks must head for the exit and stop trying to spur a global economic recovery, the organisation representing the world's monetary authorities has warned following a week of market turbulence sparked by the US Federal Reserve's signal that it would soon cut the pace of its bond buying http://link.ft.com/r/TWK799/NR0KJC/40S17Y/B5Z1NP/FD6BGU/50/h?a1=2013&a2=6&a3=23