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For any question on data and metadata, please contact: Eurostat user support |
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1.1. Contact organisation | Croatian Bureau of Statistics (CBS) |
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1.2. Contact organisation unit | Labour Market Statistics Department |
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1.5. Contact mail address | Branimirova 19 – 21, 10 000 Zagreb |
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2.1. Data description | |||
With the Structure of Earnings Survey we wish to provide insight into the structure of earnings, i.e. to present different wage categories (earnings, bonuses, holiday bonus, paid hours, paid overtime, days of holiday leave, etc.) by different characteristic of business entities or their units (size class, activity etc.) and by characteristic of employees (sex, education, occupation, etc.). Structure of Earnings Survey (SES) was introduced in statistical system of the Republic of Croatia for the first time in 2011 as a component in “IPA 2008 – Technical assistance in development of selected areas of statistics” (programme financed by European Union). |
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2.2. Classification system | |||
National Classification of Activities, 2007 version, comparable to the international Statistical Classification of Economic Activities in the European Community NACE Rev. 2 National Classification of Occupations, NKZ 10., comparable to the International Standard Classification of Occupations ISCO-08, was used in the coding of occupations International Standard Classification of education ISCED 2011 |
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2.3. Coverage - sector | |||
Target population are all enterprises located in Croatia which employ at least 10 employees and were active in October 2014. NACE Rev.2 activity sections A-S were covered. |
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2.4. Statistical concepts and definitions | |||
Key variables: Average annual / monthly / hourly earnings per person in paid employment by different wage categories, by different characteristics of business entities and by characteristics of employees; |
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2.5. Statistical unit | |||
Statistical unit is enterprise. |
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2.6. Statistical population | |||
The Structure of Earnings Survey covers all persons in paid employment having employment contract with the enterprises selected in the SES sample. The survey did not cover persons working based on work agreements or author's contracts, contracts with juveniles’ and students’ employment services, pupils and students in training. |
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2.7. Reference area | |||
The Republic of Croatia. |
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2.8. Coverage - Time | |||
2014 and October 2014 as a reference month |
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2.9. Base period | |||
No base period. |
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3.1. Source data | |||
Sampling frame Target population are all enterprises located on the teritory of the Republic of Croatia employing at least 10 employees and active in October 2014. NACE Rev.2 activity sections A-S were covered. The sampling frame was selected from the Statistical Business Register (SBR); the most appropriate source for sampling frame available in the CBS. Sampling frame for SES 2014 consists of 14 565 enterprises that fulfil above mentioned criteria. Sample Two stage stratified sampling was used in the process of selecting sample. At first stage enterprises based on the following 3 criteria: NACE Rev. 2 activity section, size of an enterprise and NUTS2 region were selected from the sampling frame. This has been done by CBS’s Sampling Department. Stratification of the targeted population according to 3 stratification criteria is presented in the attached document (SES2014_stratification of sample.xlsx).The final size oa a sample is 4 025 enterprises. Second stage of sample selection was done on the field, by respond units selected in the sample – enterprises were asked to select employees for which they were then asked to deliver requested data. Clear explanations on how to select employees were provided in the questionnaire. The procedure was explained through 4 steps. Annexes: 3.1 Stratification of sample_SES2014 |
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3.2. Frequency of data collection | |||
Data on SES are collected every four years, in accordance to Commission Regulation (EC) No 1738/2005. |
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3.3. Data collection | |||
Data collection for SES 2014 was entirely conducted under jurisdiction of CBS’s Labour Market Statistics Department. For the purposes of data collection e-questionnaire was created. Also, respondents could choose to deliver data in paper form (paper questionnaire was also available). |
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3.4. Data validation | |||
All the data collected were validated throught set of logic controls. |
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3.5. Data compilation | |||
Not requested. |
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3.6. Adjustment | |||
Data are not adjusted. All relevant national legislation is in line to regulation requirements. |
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4.1. Quality assurance | |||
Key quality indicators are calculated regularly. |
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4.2. Quality management - assessment | |||
Standard quality report accompanies every SES survey in accordance to Commission Regulation (EC) No 698/2006. |
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5.1. Relevance - User Needs | |||
So far, there are no national users of SES data identified. Major foreign user of data on SES is Eurostat. Anonymised microdata are also available on CD-ROM for researchers, prepared by Eurostat. |
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5.2. Relevance - User Satisfaction | |||
Not assessed. |
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5.3. Completeness | |||
All mandatory variables are compliled and transmitted to Eurostat. |
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5.3.1. Data completeness - rate | |||
100% |
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6.1. Accuracy - overall | |||
More in detail described under 6.2 - 6.6. |
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6.2. Sampling error | |||
Coefficients of variations are calculated for variables 4.2 Gross earnings in the reference month and variable 4.3 Average gross hourly earningsin the reference month. |
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6.2.1. Sampling error - indicators | |||
Please see the attached document Coefficients of variation. Annexes: Coefficients of variations |
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6.3. Non-sampling error | |||
More in detail described under 6.3.1 - 6.3.4. |
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6.3.1. Coverage error | |||
No cases of over-coverage, nor under-coverage were detected. |
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6.3.1.1. Over-coverage - rate | |||
No cases of over-coverage |
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6.3.1.2. Common units - proportion | |||
Not applicable. |
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6.3.2. Measurement error | |||
Each question in the questionnaire has a clear explanation of what should be included an also what should be excluded from data presented. All the data entered in application prepared for data entry are tested with logic control. Logic control contains a set of treshold values which the values of variables should not exceed. |
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6.3.3. Non response error | |||
So far, there are no national users of SES data identified. Major foreign user of data on SES is Eurostat. Anonymised microdata are also available on CD-ROM for researchers, prepared by Eurostat. |
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6.3.3.1. Unit non-response - rate | |||
The total unit response rate was 50,86%. Annexes: Response rates |
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6.3.3.2. Item non-response - rate | |||
No cases of item non-response. In case mandatory data were missing, enterpise was contacted to check and corrected if necessary. |
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6.3.4. Processing error | |||
See 6.3.4.1. |
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6.3.4.1. Imputation - rate | |||
No imputation was performed, nor statistical editing. |
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6.3.5. Model assumption error | |||
Models are not used for this data collection. |
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6.4. Seasonal adjustment | |||
Not applicable. |
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6.5. Data revision - policy | |||
Once data production process is finalised data are not beeing revised. They are considered as final. |
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6.6. Data revision - practice | |||
Once data production process is finalised data are not beeing revised. They are considered as final. |
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6.6.1. Data revision - average size | |||
No differences between provisional and final data. |
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7.1. Timeliness | |||
See 7.1.1 and 7.1.2. |
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7.1.1. Time lag - first result | |||
Data become available in July 2017. |
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7.1.2. Time lag - final result | |||
Data become available in July 2017. |
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7.2. Punctuality | |||
Response units selected to participate in SES data collection were notified about participation by a mailed circular letter. This letter contained general information about survey, guidelines on data delivery and contact information in case of any technical or methodological questions. Paper questionnaire was attached to circular letter, because this survey was introduced for the first time in the statistical system of the Republic of Croatia and taking into account the fact extensiveness of questionnaire. Initially, it was possible to fill in data using on-line questionnaire from December 20th 2015 until the February 5th 2016, but due to technical problems this deadline was extended for one week. Also, deadline for data delivery in paper questionnaire was February 5th 2016. Starting from March 2016, until the end of August 2016, data from paper questionnaires were entered in prepared application. Parallel to this, data corrections were made. Finally, database was prepared and transmitted to Eurostat. After acknowledged from Eurostat data had to be validated five times. Finally, clear database was retransmitted to Eurostat in the beginning of July 2017. |
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7.2.1. Punctuality - delivery and publication | |||
Not applicable. |
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8.1. Comparability - geographical | |||
SES 2014 was in Croatia prepared and conducted fully in line with EU regulations. |
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8.1.1. Asymmetry for mirror flow statistics - coefficient | |||
Not applicable. |
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8.2. Comparability - over time | |||
In comparision with SES 2010 all methods remained the same. |
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8.2.1. Length of comparable time series | |||
SES is carried for the second time; 2 waves are available: SES 2010 and SES 2014. See attached comparison over time. Annexes: coherence SES2014 and SES2010 |
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8.3. Coherence - cross domain | |||
The only possible data source to which data from SES could be compared is regular Monthly survey on persons employed and wages (RAD-1). See attached cross domain comparison. For this purposes data on monthly gross earnings per employee for October 2014 from both surveys was compared. The differences in data come out from coverage. Data from SES 2014 are sample based and those from RAD-1 relate to 70% of persons employed in each activity NACE section. Annexes: 8.3_COHERENCE SES2014_MONTHLY SURVEY RAD1 |
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8.4. Coherence - sub annual and annual statistics | |||
Not applicable. |
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8.5. Coherence - National Accounts | |||
Not available. |
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8.6. Coherence - internal | |||
Not applicable. |
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9.1. Dissemination format - News release | |||
No national News Release. |
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9.2. Dissemination format - Publications | |||
No national publications. |
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9.3. Dissemination format - online database | |||
No on-line publications. |
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9.3.1. Data tables - consultations | |||
No data tables published. |
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9.4. Dissemination format - microdata access | |||
Anonymised microdata are available on CD-ROM for researchers, prepared by Eurostat. |
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9.5. Dissemination format - other | |||
Not applicable. |
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9.6. Documentation on methodology | |||
No methodolgical document published; only internal production and methodological documentation is available. |
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9.7. Quality management - documentation | |||
Not applicable. |
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9.7.1. Metadata completeness - rate | |||
[Not requested] |
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9.7.2. Metadata - consultations | |||
[Not requested] |
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Not assessed. |
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11.1. Confidentiality - policy | |||
Individual data are protected by the Official Statistics Act. |
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11.2. Confidentiality - data treatment | |||
[Not requested] |
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No comments. |
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