In a recent survey, central bank reserve managers have identified geopolitical conflicts as the main threat to the global economy, despite an overall positive economic outlook. What Happened: The UBS Asset Management survey, which included 40 top central banks managing over $15 trillion, found that 87% of the reserve managers identified an increase in geopolitical conflicts as the biggest risk to a favorable economic outcome, Reuters reported on Thursday. This concern is driving 41% of the managers to diversify their investments across different regions and currencies, in anticipation of escal…