Singapore’s central bank chief said while inflation is still well below the historical average, policy makers need to be proactive if a stronger economy results in a pickup in price pressures.Inflation will climb at some point if economic growth continues to strengthen, and under those circumstances, the central bank – like others around the world – needs to be forward-looking, Ravi Menon, managing director of the Monetary Authority of Singapore, said in an interview at the bank’s headquarter