Data source(s) used: Business confidence survey in Construction: The survey is a part of the joint harmonized European Union programme of business and consumer surveys (the latest relevant normative is the Commission’s decision: COM (2006) 379 , 2006 July 12). The survey provides information about managers' assessments and expectations on the main economic variables in their company (e.g. assessments on order books and construction activity, expectations on orders, etc.). The reporting unit and the sample unit is the firm. The target universe is made up of Italian firms with three or more employees classified in Section F in NACE rev.2 . The survey is monthly and since November 2011 data collection technique used is CATI (Computer Assisted Telephone Interviewing) . The sample design is stratified by economic sectors (identified by the divisions of section F in NACE rev.2), geographic partitions and firm sizes (in terms of employees). The sampling frame is based on ASIA archive (Statistical archive of active firms). The survey is addressed to a panel of 700 firms. The confidence indicator, according to the EU methodology, is calculated as the simple arithmetic average of the balances of answers to the question on assessments on order books and to the question on the expectations on employment. The confidence climate index is released for the whole sector and for the sub-sectors (the three divisions of NACE (rev.2) – section F: construction of buildings, civil engineering and specialized construction activities). All series are seasonally adjusted using the Tramo-Seats method.
Other data characteristics: All the series are estimated using the gross value added at factor cost as weight. More specifically, estimates until 2009 are obtained using gross value added referring to the year 2005; starting from 2010 estimates were obtained using gross value added referring to the year 2012. The series under the heading Previous series - climate (2005 = 100), instead, are weighed with similar weights pertaining to the year 2005 for all the period released. At the same time the publication of march 2015, the confidence climate index both for the whole sector and economic sub-sectors (the divisions provided in NACE (rev.2): construction of buildings, civil engineering and specialized construction activities) is released with base 2010=100.Balances are calculated by considering the frequencies not rounded.: Variables concerning credit:since 2015, October, variables are surveyed quarterly; more specifically they are surveyed in March, June, September and December. Raw series are available starting from 2009, May.