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Editing of mixed source data for turnover statistics

Jeffrey Hoogland (SN ) . Editing of mixed source data for turnover statistics. Work Session on Statistical Data Editing (Ljubljana, Slovenia, 9-11 May 2011). Outline. Use of VAT data for turnover statistics Automatic editing of VAT turnover Top-down editing of turnover.

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Editing of mixed source data for turnover statistics

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  1. Jeffrey Hoogland (SN) Editing of mixed source data for turnover statistics Work Session on Statistical Data Editing (Ljubljana, Slovenia, 9-11 May 2011)

  2. Outline • Use of VAT data for turnover statistics • Automatic editing of VAT turnover • Top-down editing of turnover

  3. Use of VAT data for turnover statistics Questionnaires For 1900 largest groups of enterprises When VAT turnover is useless Mainly electronic data collection by SN VAT data For most enterprises Using a linear transformation of VAT turnover to obtain SN turnover, if necessary Electronic data collection by tax authority

  4. Automatic editing of VAT data Suspicious turnover patterns in monthly and quarterly VAT turnover data such as a (0, 0, 0, x; x>0) pattern 13% of VAT units that declare per quarter show a suspicious turnover pattern Correction: use yearly turnover and impute quarterly turnover Corrections have some effect on yearly growth of quarterly turnover

  5. Automatic editing of VAT data

  6. Macro editing methods Detection of deviant developments within clusters of related publication cells

  7. Macro editing methods • Check population dynamics • Check growth rate of imputations • Difference between estimated yearly growth and expected yearly growth • Turnover share and growth rate per data source • Turnover share of unedited potential influential errors

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