Labour indicators for large firms (enterprises with 500 employees and more) are calculated with reference to the base year 2005 using the Ateco 2007 classification (Italian edition of Nace rev. 2).
In December 2011 the seasonally adjusted employment index in large firms is unchanged compared with November 2011 (unchanged in industry and +0.2% in services); net of workers in cassa integrazione guadagni (Cig = short-time working allowance) it increased by 0.2% (+0.2% in industry and +0.1% in services). The percentage change of the average of the last quarter compared to the previous quarter was -0.1% gross of Cig and -0.2% net of Cig.
The unadjusted employment index in large firms decreased by 0.5% compared with December 2010 (-0.7% net of Cig); in the yearly average the percentage change of 2011 with respect to 2010 was -0.6% (-0.4% net of Cig).
In December 2011 the seasonally adjusted index of gross average earnings per hours worked increased by 0.8% with respect to the previous month (-0.3% in industry and +1.4% in services). The percentage change of the average of the last quarter compared to the previous quarter was +1.9% (+1.5% in industry and +2.0% in services).
The unadjusted index of gross average earnings per hours worked increased by 5.3% compared with December 2010 (+6.5% in industry and +4.8% in services). The percentage change in the yearly average of 2011 with respect to 2010 was +1.8% (+3.6% in industry and +0.8% in services).