Inflation targeting by the Central Bank might have some unintended consequences.
But reducing uncertainty about prices by keeping the inflation target at 2% or more might actually increase a sense of uncertainty about real things like home values or investments. While it is right to worry about massive deflation, the historical relationship between deflation and recession is not all that strong. In a 2004 paper, the economists Andrew Atkeson and Patrick Kehoe concluded that most of the evidence of a relationship comes from just one case: the Great Depression of the 1930s.
Needull in a haystack 
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