LONDON, July 11 Reuters An escalation in geopolitical conflicts is the biggest risk to the global economy, according to central bank reserve managers, who are generally positive about the world39;s economic outlook, according to an annual survey released on Thursday.

The UBS Asset Management survey of 40 leading central banks that manage more than 15 trillion, about half of the world39;s foreign exchange FX reserves, found two thirds expected the global economy to return to moderate growth and inflation in the next five years.

It found that 71 expect U.S. headline consumer inflation to be between 2 and 3 in a year39;s time. The Federal Reserve has a 2 inflation target.

But 87 of the reserve managers surveyed flagged further escalation in geopolitical conflicts as the biggest threat to this benign outcome, and 41 said they are diversifying their investments more across regions and currencies fearing an escalation of tensions between the U.S. and China.

Gold has been a particular beneficiary of diversification, and its price has hit record highs. Among respondents, 24 had increased their gold exposure in the past year and 30 plan to do so in the coming year, although they also plan to raise bond allocations.

The recent political decision to use profits from central banks of Russias frozen assets to finance Ukraine raises further the risk that FX reserves are no longer seen as a safe haven for central banks, said Massimiliano Castelli, head of strategy and advice at…