According to the report from Istat, in December 2018 the seasonally adjusted industrial production index decreased by 0.8% compared with the previous month. Economists had expected a 0.4% increase. The percentage change of the average of the last three months with respect to the previous three months was -1.1.  

The calendar adjusted industrial production index decreased by 5.5% compared with December 2017 (calendar working days being 19 versus 18 days in December 2017); for the whole year 2018 the percentage change was +0.8 compared with 2017.  The unadjusted industrial production index decreased by 2.5% compared with December 2017