No. 995 - Integrating survey and administrative data to estimate firms' turnover in unplanned domains: evidence from the Invind survey

Questioni di Economia e Finanza (Occasional papers)
by Marco Bottone, Maria Cristina Casciano, Enrico Fabrizi, Salvatore Filiberti, Andrea Neri and Mariagrazia Rinaldi
December 2025
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The study introduces a methodological framework for integrating the most recent data from Banca d'Italia's Survey of Industrial and Service Firms (Invind) with administrative records from Istat, which offer highly accurate measures of firms' turnover but become available only after a substantial time lag. The objective is to generate more reliable estimates of recent sales dynamics at the regional level, particularly in areas where the sample of surveyed firms is relatively small.

Combining administrative data with information from the Invind survey substantially enhances the quality of regional turnover estimates for the current year, compared with estimates based solely on sample data. The gains are particularly pronounced in regions where the survey covers a relatively small number of firms. Moreover, the administrative information supports a more efficient design of the minimum survey sample size required to obtain reliable estimates at the territorial level.

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  1. 22 December 2025
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    (only in Italian)

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