Years of accommodative monetary policy may have kept the world economy growing, but it has also increased risk, an intergovernmental think tank warned in its most recent economic outlook on Tuesday. The Organization for Economic Cooperation and Development released its forecast, warning that the private sector in emerging markets could be badly hurt in the event of a funding shock. The European Central Bank said in September that it had pondered how to wind down its easy money policies, an enormous stimulus program aimed at promoting growth and inflation in the eurozone.