Meanwhile, neo-Keynesian economist Paul Krugman was concerned about deflation at the start of 2015. From The Nation:
Krugman warns of scary future due to spectre of deflation
The future for the world economy is "scary" due to the threat of deflation, Nobel prize-winning economist Paul Krugman said during a speech at the "Asian Financial Forum" in Hong Kong yesterday.
He said he wanted the US Federal Reserve to think twice before raising its key interest rate...