How do central bankers decide interest rates when inflation is so unpredictable?

How do central bankers decide interest rates when inflation is so unpredictable?

The Federal Reserve, Bank of England and Bank of Japan all confront the same question this week: how do you set interest rates when inflation is being buffeted by forces well beyond your control? Writes Helen Thomas Three of the world’s most important central banks meet this week, with the Federal Reserve, Bank of England [...]