In order to let the market know that we do not know anything more than it does and to convey the extent of our uncertainty, in our September 2010 mid-quarter review we said “....the high volatility [of the IIP] over the past two months raises some doubts about how effectively the index reflects the underlying momentum in the industrial sector.” (v)  Disclosing inflation expectations survey  27.
José Manuel González-Páramo: Future challenges for central bank statistics Speech by Mr José Manuel González-Páramo, Member of the Executive Board of the European Central Bank, at the Sixth ECB Statistics Conference, Frankfurt am Main, 18 April 2012.