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UNITED NATIONS ECONOMIC COMMISSION FOR EUROPE CONFERENCE OF EUROPEAN STATISTICIANS

Imputation and Editing of Income from the Administrative File in Israel ’ s Censuses prepared by Orly Furman and Dmitri Romanov. UNITED NATIONS ECONOMIC COMMISSION FOR EUROPE CONFERENCE OF EUROPEAN STATISTICIANS Work Session on Statistical Data Editing Ljubljana, May 2011.

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UNITED NATIONS ECONOMIC COMMISSION FOR EUROPE CONFERENCE OF EUROPEAN STATISTICIANS

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  1. Imputation and Editing of Income from the Administrative File in Israel’s Censusesprepared by Orly Furman and Dmitri Romanov UNITED NATIONS ECONOMIC COMMISSION FOR EUROPE CONFERENCE OF EUROPEAN STATISTICIANS Work Session on Statistical Data Editing Ljubljana, May 2011

  2. Use of Administrative Income Files in Israel’s Censuses

  3. Administrative Income File used in the 1995 Census Source: National Insurance Institute. Coverage: 1.965 million employee posts, months of work and annual salary and wage of 1.815 million employees, as reported to the NII.

  4. Amendments to the Salary Data in the 1995 Census

  5. 8 6 4 Prevalence, percentage 2 0 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 11,000 12,000 Reported salary, NIS Reporting Salary in Census: Rounding Distribution of September Salary Reported in the Census

  6. 40 20 0 -20 -40 0 20 40 60 80 100 Annual salary percentiles Deviation from “gross” salary Deviation from “net” salary Reporting Salary in Census: Confounding Net and Gross Deviation of the September Salary Reported in the Census from the Gross and Net Monthly Salary Per Job in the Administrative File, by Annual Salary Percentiles, as a percentage of gross calculated salary

  7. Imputing Salary in Census: Challenge of Multiple Jobs Distribution of Values Imputed on the Basis of the Administrative File for Employees who Held One Job (Left) and More Then One Job (Right) in 1995

  8. Administrative Income Files Used in the 2008 Census Source: Tax Authority. Coverage: employee posts, months of work and annual salary and wage of the employees, and business income of the self-employed individuals. Usage: Imputation of earnings (salary and business income of the self-employed), conditional on workforce status as reported in the Census and occurrence in the administrative income files. Challenge: Treatment of inconsistencies between the two sources, due to misreporting in the Census, or/and omissions of the administrative file.

  9. Identification of Cases in Which the Census Data and the Administrative Data do Not Coincide

  10. Group A: Individuals that were found to have work income in 2008 as per the administrative income data base, which according to the census did not belong to the annual workforce. Group B: Individuals that reported in the census as belonging to the annual workforce, but were not found to have work income according to the administrative data bases. Discrepancies between the Census Data and the Administrative Data

  11. 67% of individuals in this group are in the primary working age-group (19 to 65). 51% worked in 2008, according to the income tax data, less than half a year. This reinforces the hypothesis that under-reporting of employment in the Census is connected to irregular employment over the year. For 43% of this group, a record exists in the administrative income data base for December 2008. 74% of the individuals having work income in December, who did not report employment in the census, were in in the primary working age-group; For two thirds of them the income data base includes information on ongoing employment in 2008, for over six months of employment. This indicates a high probability of inaccurate reporting in the census with respect to labour market non-participation. Analysis of Cases in Group A

  12. Analysis of Cases in Group B

  13. Analysis of Cases in Group B

  14. The work hypothesis is that the absence of information on employees and the self-employed is due to late or failed reporting by employers and self employed individuals to the income tax authority. Accordingly, the employer of an employee who was absent from the 2008 income data base should be examined, to check whether the employee was active in the preceding year. The examination shows that more than 50% worked in 2007 and have employee jobs. 80% of these work for employers that did not report in 2008 but did report in 2007. Analysis of Cases in Group B

  15. Algorithm of Income Imputation

  16. Algorithm of Income Imputation(cont.)

  17. Algorithm of Income Imputation(cont.)

  18. Algorithm of Income Imputation(cont.)

  19. Algorithm of Income Imputation(cont.)

  20. All in all, only in 12.7% of cases that reported employment in the 2008 census discrepancies between the reportage and the administrative source were treated, and income information from the administrative file was amended. In 87.3% the data on earnings of the employees and the self-employed from the administrative file was imputed. In contrast, income data as reported in the “traditional” 1995 census, had to be amended or imputed in 29.6% of cases. The Bottom Line

  21. Thank you!

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