Reference metadata describe statistical concepts and methodologies used for the collection and generation of data. They provide information on data quality and, since they are strongly content-oriented, assist users in interpreting the data. Reference metadata, unlike structural metadata, can be decoupled from the data.
The quarterly data are broken down by economic activity (at section level) in accordance with NACE Rev. 2 - Statistical classification of economic activities in the European Community.
2.3. Coverage - sector
The data cover all the economic activities defined by NACE Rev. 2, except the activities of households as employers and the activities of extraterritorial organizations and bodies. Covering agriculture, forestry and fishing activities is optional.
2.4. Statistical concepts and definitions
A 'job vacancy' is defined as a paid post that is newly created, unoccupied, or about to become vacant:
(a) for which the employer is taking active steps and is prepared to take further steps to find a suitable candidate from outside the enterprise concerned; and
(b) which the employer intends to fill either immediately or within a specific period of time.
‘Active steps to find a suitable candidate’ include:
notifying the job vacancy to the public employment services,
contacting a private employment agency/head hunters,
advertising the vacancy in the media (for example internet, newspapers, magazines),
advertising the vacancy on a public notice board,
approaching, interviewing or selecting possible candidates/potential recruits directly,
approaching employees and/or personal contacts,
using internships.
'Specific period of time’ refers to the maximum time the vacancy is open and intended to be filled. That period shall be unlimited; all vacancies for which active steps are continuing on the reference date shall be reported.
An 'occupied post’ means a paid post within the organization to which an employee has been assigned.
2.5. Statistical unit
The statistical units are the enterprise and the self-employed person (not incorporated in the Statistical Business Register) with at least one employee.
2.6. Statistical population
The whole population of enterprises.
2.7. Reference area
The whole territory of the country.
2.8. Coverage - Time
Data from 2008 (aggregated data for the whole economy from 2006).
2.9. Base period
Not applicable
3.1. Source data
Identification of the source of the data
Enterprise surveys on labour
A. Quarterly full-scale survey on labour in organizations of financial intermediation and in all non-profit organizations irrespective of the number of employees as well as from a quarterly sample survey in profit organizations with 20 and more employees and in those with up to 20 employees which have a turnover of 5 million EUR and more.
B. Specific quarterly sample survey in other small-size enterprises with up to 19 employees.
Administrative sources related to job vacancies of self-employed persons
C. JV data from the administrative source administrated by the Central Office of Labour, Social Affairs and Family (after exclusion of the data related to legal persons).
Coverage
Geographical
Job Vacancy Survey covers the whole territory of the Slovak Republic.
NACE
All sections of NACE Rev. 2 (A to S), aggregations (A_S, B_S, B_N, B_F, B_C_D_E, F, G_H_I, J, K, L, M_N, O_P_Q, R_S) and 2 division levels (87, 88).
Enterprise size
Enterprise with 1 employee and more (1+), 10 employees and more (10+).
Definition of the statistical unit
The statistical units are the enterprises and self-employed persons with at least 1 employee.
Remarks
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Sampling design
Base used for the sample
The sample consists of:
- enterprises drawn from the Statistical Business Register administrated by the SO SR,
- self - employed persons with employees who are not incorporated in the Statistical Business Register.
Sampling design
There is a combination of full-scale (source A) and sample surveys (sources B, C). The sample was carried out as a single-stage stratified sample.
Retention/renewal of sampling units
Retention rate of sampling units is scheduled for 33%, i.e. the selected responding unit will be reported no more than 3 years in the sample. In the strata with a small number of reporting units the retention rate can be assessed between 50 - 100%.
Selection of statistical units into the sample was made randomly within particular strata derived by stratifying attributes (status of statistical unit, economic activity, size-classes of enterprises). Replacement within strata is not permitted.
In the group of large enterprises (100+ employees) all units were included to the sample. The full-size approach was applied when the total number of enterprises in the frame population within a particular stratum was less than 4, i.e. in that case all enterprises were included in the sample.
Sample size
Table 1 in the file 'Tables_2024' in the Annex section shows the number of enterprises (sources A and B) and self-employed persons with at least 1 employee (source C) that were included in the sample.
Stratification
Sampling criteria:
- in sources A, B - economic activity (NACE Rev.2 at 4 digit level),
- in source C - economic activity (NACE Rev.2 at 2 digit level), region and size classes of enterprises.
3.2. Frequency of data collection
Reference dates
The reference period is the average of the last day of each month in the reference quarter.
3.3. Data collection
Brief description of the data collection method(s)
Remarks
The data surveys are undertaken by staff of Statistical Office of the Slovak Republic (sources A, B). The data was collected using questionnaires by mail (postal). JV data on self-employed persons are from the online information system administrated by the Central Office of Labour, Social Affairs and Family, where employers report their job vacancies (source C).
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3.4. Data validation
Not applicable.
3.5. Data compilation
Brief description of the weighting method
Weighting dimensions
The initial weights were calculated as Nh/nh, where Nh was the total number of enterprises in stratum “h” of the population and nh was the number of enterprises in the sample in stratum “h”, assuming that each unit in the stratum had the same inclusion probability. The initial weights were updated after collection of questionnaires. Units with extremely high or low value of turnover got the weight equals 1 and other units got the weight equals Nh’/nh’, where Nh’ was total number of enterprises in stratum of the updated frame minus the number of enterprises with weight equals 1.
Weights were adjusted by reweighting or combination of imputation and reweighting due to non-respondent units.
The weight of unit has been a proportion of the number of active units in the sample to the estimated number of active units in given strata of sampling frame. The grossing – up procedure has been done multiplying weight of units by means of values of the indicators in given strata of the sample.
3.6. Adjustment
See point 6.4 on seasonal adjustment.
4.1. Quality assurance
Not applicable.
4.2. Quality management - assessment
Not applicable.
5.1. Relevance - User Needs
Description of the users and their main needs
Remarks
Number of users on the quarterly JVS results ranged between 127 - 182 persons over all quarters in 2024 (due to the changes in measurement methodology, these values can not be compared with previous years).
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5.2. Relevance - User Satisfaction
Extent to which the needs of national users are satisfied (voluntary)
Remarks
Currently, there is no information on any lower level of user satisfaction concerning completeness (units, variables, breakdowns), accuracy or timeliness of the JVS.
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5.3. Completeness
Description of missing variables and missing breakdowns of the variables
Report progress on the implementation measures regarding quarterly job vacancies statistics of Regulation (EC) No 453/2008, including :
a detailed plan and timetable for completing implementation
a summary of the remaining deviations from EU concepts
The national definition of indicators on job vacancies and occupied posts, their breakdowns by all sections of NACE Rev.2 (A - S) and size classes (1+, 10+) were developed on the basis of EUROSTAT’s recommendations. They comply with the target Regulation (EC) No 453/2008 of the European Parliament and of the Council on quarterly statistics on Community job vacancies.
Statistical Office of the SR does not have any report progress on the implementation measures regarding quarterly JVS.
5.3.1. Data completeness - rate
100%.
6.1. Accuracy - overall
Not applicable.
6.2. Sampling error
See below.
6.2.1. Sampling error - indicators
Coefficient of variation (taking into account the sampling design) or estimated sampling error for the number of job vacancies (see guidelines).
Table 2 in the file 'Tables_2024' in the Annex section shows the values of coefficients of variation for small-size units broken down by economic activities according to NACE Rev.2. Figures are relatively high almost in all sections of NACE Rev.2. The total CV values ranged between 12.14% - 14.44% over all quarters in 2024. The highest figures were calculated in some quarters for real estate activities; manufacturing; human health and social work activities; professional, scientific and technical activities; construction; administrative and support service activities. The reason is quite little occurrence of job vacancies in this group of employers.
Higher values in a majority of branches are shown in table 3 in the file 'Tables_2024' in the Annex section, which refers to enterprises with 10 or more employees. The total CV values range between 0.95% - 0.97% over all quarters in 2024. The decrease of CV data is caused by lower variance of the values in the stratified sample comparing to the previous years. The number of companies with a significantly higher number of vacancies has decreased compared to other firms, which has led to an decrease in the variance. Higher figures are in professional, scientific and technical activities; administrative and support service activities; information and comunication and construction.
6.3. Non-sampling error
Information on variables with non-negligible measurement and processing errors
Information on main sources of (non-negligible) measurement and processing errors and, if available, on methods applied for correction
Estimation bias: An assessment of the non-sampling errors, in terms of the absolute number of vacant posts, for the total number of job vacancies and, where possible, for aggregation level of NACE Rev. 2 specified in Annex 1 to this Regulation and size classes (1-9, 10 + employees).
Remarks
Some responding units recorded average number of job vacancies bigger than average number of occupied posts in the questionnaires. The respective regional administrations of the SO SR contacted these reporting units, verified data and checked them.
Example of checks referring to Job Vacancy survey:
- Information control that should be verified
Average number of job vacancies is less (or equal) than average number of occupied posts.
Errors made by respondents have been identified and corrected through complex of software controls before data processing.
Potential bias resulted from non-sampling errors is not significant. Smaller bias relates to the group of enterprises with 10+ employees due to their high sampling share and response rate.
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6.3.1. Coverage error
Description of any difference between the reference population and the study population
Description of classification errors
Description of any difference between the reference dates and the reference quarter
Any other relevant information
Table 4 in the file 'Tables_2024' in the Annex section shows the number of business units in the sample and the sample share - percentage of the business units in the sample from the reference population (REGISTER). It is broken down by size class. Sample fractions ranged between 10.88% - 10.93% for small-size units with less than 10 employees and 58.30% - 58.81% for other units over all quarters in 2024.
Over- and under- coverage errors referring to the sampled units wrongly classified in the frame are demonstrated in table 5 of the file 'Tables_2024' in the Annex section. The highest under-coverage relates to the small size units with 5-9 employees and 10-19 employees. Most of the small-size and middle-size firms are flexible and they often change their field of activity. Recording these dynamic turns by the statistical register is sometimes very difficult.
Information is not available.
There are not any differences between the reference date and the reference quarter in the JV surveys.
The SO SR has not any other relevant information about coverage errors in the JV surveys.
6.3.1.1. Over-coverage - rate
Not applicable.
6.3.1.2. Common units - proportion
Not applicable.
6.3.2. Measurement error
See 6.3 non-sampling error.
6.3.3. Non response error
See below.
6.3.3.1. Unit non-response - rate
Unit response rate
Tables 6 and 7 in the file 'Tables_2024' in the Annex section show better response rate in big-size units. Best values are in public administration, compulsory social security; education; electricity, gas, steam and air conditioning supply; human health and social work activities; financial and insurance activities. Total unit response rate is high (from 93.14% to 94.31% over all quarters in 2024) in the organizations with 10+ employees. In small-size units it reaches 79.16% - 81.57%.
6.3.3.2. Item non-response - rate
Not applicable.
6.3.4. Processing error
See point 6.3 non-sampling error.
6.3.4.1. Imputation - rate
Item imputation rate and methods and, where possible, the effect of imputation on the estimates for the variables transmitted
Missing questionnaires in the reference quarter for the active responding units, that delivered data in the previous quarter, were imputed by making use of the “hot-deck” method of the donor from the present period. The donor is an active responding unit, which had delivered correct completed questionnaire or it had not been identified any extreme or another problem with quality in the checking process. Selection of the comparable units was made on the basis of three common attributes:
economic activity at the same 2-digit code of NACE Rev.2,
the same code in “Categories of organizations by number of employees",
"Added Value” indicator with keeping the same volume of production and of intermediate goods.
Partial imputation does not make.
6.3.5. Model assumption error
If modelling is used, include a description of the models used. Particular emphasis should be given to models for imputation or grossing-up to correct for unit non-response.
Imputation method or adjustment of the weighting method is used for correction of unit non-response.
6.4. Seasonal adjustment
Brief description of seasonal adjustment procedures, in particular with regard to the European Statistical System guidelines on seasonal adjustment which have been endorsed and supported by the SPC.
The SO SR provides the seasonally adjusted quarterly JVS data for 2024 by making use of time series with 68 observed periods (from 2008Q1 to 2024Q4). The indirect method of seasonal adjustment on seasonality of Job Vacancy and Occupied Posts data had been used for aggregates in the past (using Demetra+). A low number of the series were seasonally adjusted that time. A few seasonally adjustable series were found using the direct method of seasonal adjustment on seasonality of Job Vacancy and Occupied Posts data (using JDemetra+ 2.2.2).
Provide a revision history, including the revisions in the published number of job vacancies and a summary of the reasons for the revisions.
Statistical Office of the SR did not make any revisions.
6.6.1. Data revision - average size
Not applicable.
7.1. Timeliness
See below.
7.1.1. Time lag - first result
Information on the time span between the release of data at national level and the reference period of the data.
Table 8 in the file 'Tables_2024' in the Annex section shows the schedule of the JVS data transmission to EUROSTAT and the release of data and reference period of the data at national level in 2024. All data transmissions run before the deadline.
7.1.2. Time lag - final result
Not applicable.
7.2. Punctuality
See below.
7.2.1. Punctuality - delivery and publication
Deadlines for the respondents to reply, also covering recalls and follow-ups
Period of the fieldwork
Period of data processing
Dates of publication of first results
Remarks
Running of data processing
in the sources A and B:
Responding units delivered the questionnaires to the respective regional administrations of the SO SR (Deadline: 20th and 26th calendar day after the end of the reference period).
Regional administrations of the SO SR assembled the questionnaires (sending follow-ups 12th, 8th and 3rd day before deadline).
Recording of input data from the questionnaires at the regional administrations of the SO SR, data checking, elimination of errors in files, imputation of missing questionnaires, elaboration of a metadata report and a protocol concerning the run of data processing, submission of the final report to the centre of the SO SR. (Deadline: 30th day after the end of the reference period).
Responsible persons for surveys at the SO SR checked and released data for further processing. (Deadline: 33 rd day after the end of the reference period).
Projection and programming department saved the data file into the Original Database of the SO SR. (Deadline: 34th day after the end of the reference period).
Grossing – up procedures in the sample surveys. (Deadline: 40th day after the end of the reference period).
Compilation of output tables and data files. (Deadline: 45th day after the end of the reference period - it can be delayed if any errors occur). The same deadline is in the source C.
Official release of data (Deadline: in average 65th day after the end of the reference period).
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8.1. Comparability - geographical
Information on differences between national and European concepts, and — to the extent possible — their effects on the estimation.
The JVS covers the whole country of the Slovak Republic. It is in compliance with Regulation (EC) No 453/2008 of the European Parliament and of the Council on quarterly statistics on Community job vacancies.
8.1.1. Asymmetry for mirror flow statistics - coefficient
Not applicable.
8.2. Comparability - over time
Information on changes in definitions, coverage and methods in any two consecutive quarters, and their effects on the estimation.
Remarks
The JVS methodology was developed in accordance with PHARE Multi-country Programme (PHARE STAT - 2002), aiming to obtain data on job vacancies and occupied posts, comparable across European countries.
By the end of 2007, the reference date of the JVS data collection was the last day of the reference quarter. Starting from 2008Q1, the data is based on the average of the last days of each month in the reference quarter. Comparability of data before and after 2008 is very difficult. Therefore, the current time series has been kept since 2008.
8.2.1. Length of comparable time series
Not applicable.
8.3. Coherence - cross domain
Comparisons of data on the number of vacant jobs from other relevant sources when available, in total and broken down by NACE at section level when relevant, and reasons if the values differ considerably.
The database of the Central Office of Labour, Social Affairs and Family (COLSAF) includes provisional monthly data on the number of job vacancies concerning all legal and physical persons. Figures on JV are about four times lower comparing to the JV data of the SO SR, what has been caused by the different survey methodology. Comparison between JV data of the SO SR and COLSAF provisional data on job vacancies show table 9 and graph 1 in the file 'Coherence_Tables_Graphs_2024' in the Annex section just below. Comparison between JVS data and the LFS data of the SO SR on occupied posts show table 10 and graph 2 in the file 'Coherence_Tables_Graphs_2024' in the Annex section just below. Annual average of the JVS occupied posts is lower than average number of employees from LFS (by 12.6%). After deduction of the number of persons who are not considered as employee in JVS it is lower by 114 817 (5.6%) comparing to annual average number of the LFS employees. The difference between the data is due to the different survey methodology. More detailed reasons are described in the sheet “Coherence with LFS data” of the file 'Coherence_Tables_Graphs_2024' in the Annex section just below. The Beveridge Curve for Slovak Republic (2010Q4-2024Q4) shows the Job Vacancy Rate and Unemployment Rate moving in the same directions. This is a consequence of national overall economy.
The difference between the numbers of employees from LFS and JVS occupied posts follows from differences in methodology, concept, definition and measurement. See the coherence analysis LFS versus JVS. The main reason of differences in number of employees by NACE Rev.2 is that in JVS the main activity of whole organization/enterprise is coded while in LFS it is main activity of the local unit. This methodological divergence is significant and it should be taken in account when comparison by NACE Rev.2 is made. The second significant reason of difference is that in JVS the economic activity of persons with a contract with a temporary employment agency are coded as the activity in the industry of the agency which employs them. While in LFS the economic activity of the local unit for persons with a contract with a temporary employment agency are coded as the activity of the local unit where they actually work and not in the industry of the agency which employs them. Besides reasons mentioned above, the section C (in LFS) covers quite numerous group of people working outside Slovakia. We suppose that higher number of employees in section C (in LFS) may be caused by group of employees with any legal contract (shadow economy). These persons are not covered in JVS. Besides reasons mentioned above section O (in LFS) includes numerous group of persons who are obliged to perform some work to keep receiving unemployment benefits. If they have performed some paid work during the reference week, they are coded as employed (employee). This group of persons is not considered as employee in JVS.
Dissemination scheme, including to whom the results are sent
Periodicity of national publication
References for publications of core results, including those with commentary in the form of text, graphs, maps, etc.
Information on what results, if any, are sent to reporting units included in the sample
All statistical information collected, processed and released by Statistical Office of the SR is regulated by the Law on State Statistics (No. 540/2001 Digest of Laws). This Law defines the secrecy and confidential data protection. An advance release calendar of the survey results is disseminated on the Internet website of Statistical Office of the SR and in the “Catalogue of Publications”.
Quarterly brief information on JVS is released during the briefing and posted on the Internet website of the SO SR on average on 65th day after the end of the reference quarter. By 65th day, text and the table quarterly data on average number of job vacancies and job vacancy rate (distributed to NACE Rev.2 and region) are released on the Internet web site of the SO SR (see “Statistics, Demography and Social Statistics, Labour”). Within 10 days after the official release is updated, the table quarterly data on average number of vacancies and job vacancy rate (broken down by NACE Rev.2) is available to the public in the database (also in the regional database) of the SO SR. It is disseminated through the Statistical Office web site.
Annual average of quarterly JVS data (number of vacancies divided into economic activities) is available to the public in the database (also the regional database) of the SO SR.
Quarterly.
Data on average number of vacancies, occupied posts and job vacancy rate (broken down by NACE Rev.2 and region) for enterprises with 20 and more employees for 2024 is displayed on the Internet web site of the SO SR and in the annual publication Employees and Average Monthly Wages in the SR (only in the Slovak version). Text information on JVS for SR, the table data on number of vacancies and job vacancy rate (broken down by economic activities and region) are published in the quarterly publication Statistical Report on Basic Development Tendencies in the Economy of the SR (only in the Slovak version). Both publications are provided to download free of charge.
Annual average of quarterly JVS data (number of vacancies divided into economic activities) is published in publications titled Statistical Yearbook of the SR 2025 in bilingual versions.
No results are sent to reporting units due to economic reasons. They can find it on the Internet website of the SO SR.
9.3. Dissemination format - online database
Not applicable.
9.3.1. Data tables - consultations
Not applicable.
9.4. Dissemination format - microdata access
Not applicable.
9.5. Dissemination format - other
Not applicable.
9.6. Documentation on methodology
Not applicable.
9.7. Quality management - documentation
Description of and references for metadata provided
References for core methodological documents relating to the statistics provided
Description of main actions carried out by the national statistical services to inform users about the data
Remarks
Definition of the indicators on JVS is a part of the Catalogue of Methodological Papers (only in Slovak language) that is available on the Internet website of the SO SR.
Metadata on JVS is also accessible in the on-line database DATAcube on the Office’s web site.
Annual publication titled „Employees and Average Monthly Wages in the SR” (only in the Slovak version) for enterprises with 20 and more employees for 2024 is displayed on the Internet web site of the SO SR. The publication includes besides tables and charts also methodological explanations containing basic characteristics of published data and definitions of basic indicators. The same description of metadata is included in the quarterly Statistical report on fundamental tendencies in the economy of the SR (only in Slovak language).
Core methodological documents of JVS are the above mentioned Methodological Papers (only in Slovak language) from the Catalogue of Methodological Papers. It is available on the Internet website of the SO SR.
The SO SR was providing information about the quarterly JVS results to the press and explaining the indicator methodology during the press briefing.
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9.7.1. Metadata completeness - rate
Not applicable.
9.7.2. Metadata - consultations
Not applicable.
Not applicable.
11.1. Confidentiality - policy
Not applicable.
11.2. Confidentiality - data treatment
Disclosure rules: Brief description of when data have to be deleted for reasons of confidentiality
If the number of the statistical unit in any cell of the table formed by aggregating the individual data is less than three, the data in the concerned cell is considered confidential. Confidential data are under high protection from direct or indirect identification and cannot be published.
A 'job vacancy' is defined as a paid post that is newly created, unoccupied, or about to become vacant:
(a) for which the employer is taking active steps and is prepared to take further steps to find a suitable candidate from outside the enterprise concerned; and
(b) which the employer intends to fill either immediately or within a specific period of time.
‘Active steps to find a suitable candidate’ include:
notifying the job vacancy to the public employment services,
contacting a private employment agency/head hunters,
advertising the vacancy in the media (for example internet, newspapers, magazines),
advertising the vacancy on a public notice board,
approaching, interviewing or selecting possible candidates/potential recruits directly,
approaching employees and/or personal contacts,
using internships.
'Specific period of time’ refers to the maximum time the vacancy is open and intended to be filled. That period shall be unlimited; all vacancies for which active steps are continuing on the reference date shall be reported.
An 'occupied post’ means a paid post within the organization to which an employee has been assigned.
The statistical units are the enterprise and the self-employed person (not incorporated in the Statistical Business Register) with at least one employee.
The whole population of enterprises.
The whole territory of the country.
Not Applicable
Not applicable.
Not Applicable
Brief description of the weighting method
Weighting dimensions
The initial weights were calculated as Nh/nh, where Nh was the total number of enterprises in stratum “h” of the population and nh was the number of enterprises in the sample in stratum “h”, assuming that each unit in the stratum had the same inclusion probability. The initial weights were updated after collection of questionnaires. Units with extremely high or low value of turnover got the weight equals 1 and other units got the weight equals Nh’/nh’, where Nh’ was total number of enterprises in stratum of the updated frame minus the number of enterprises with weight equals 1.
Weights were adjusted by reweighting or combination of imputation and reweighting due to non-respondent units.
The weight of unit has been a proportion of the number of active units in the sample to the estimated number of active units in given strata of sampling frame. The grossing – up procedure has been done multiplying weight of units by means of values of the indicators in given strata of the sample.
Identification of the source of the data
Enterprise surveys on labour
A. Quarterly full-scale survey on labour in organizations of financial intermediation and in all non-profit organizations irrespective of the number of employees as well as from a quarterly sample survey in profit organizations with 20 and more employees and in those with up to 20 employees which have a turnover of 5 million EUR and more.
B. Specific quarterly sample survey in other small-size enterprises with up to 19 employees.
Administrative sources related to job vacancies of self-employed persons
C. JV data from the administrative source administrated by the Central Office of Labour, Social Affairs and Family (after exclusion of the data related to legal persons).
Coverage
Geographical
Job Vacancy Survey covers the whole territory of the Slovak Republic.
NACE
All sections of NACE Rev. 2 (A to S), aggregations (A_S, B_S, B_N, B_F, B_C_D_E, F, G_H_I, J, K, L, M_N, O_P_Q, R_S) and 2 division levels (87, 88).
Enterprise size
Enterprise with 1 employee and more (1+), 10 employees and more (10+).
Definition of the statistical unit
The statistical units are the enterprises and self-employed persons with at least 1 employee.
Remarks
-
Sampling design
Base used for the sample
The sample consists of:
- enterprises drawn from the Statistical Business Register administrated by the SO SR,
- self - employed persons with employees who are not incorporated in the Statistical Business Register.
Sampling design
There is a combination of full-scale (source A) and sample surveys (sources B, C). The sample was carried out as a single-stage stratified sample.
Retention/renewal of sampling units
Retention rate of sampling units is scheduled for 33%, i.e. the selected responding unit will be reported no more than 3 years in the sample. In the strata with a small number of reporting units the retention rate can be assessed between 50 - 100%.
Selection of statistical units into the sample was made randomly within particular strata derived by stratifying attributes (status of statistical unit, economic activity, size-classes of enterprises). Replacement within strata is not permitted.
In the group of large enterprises (100+ employees) all units were included to the sample. The full-size approach was applied when the total number of enterprises in the frame population within a particular stratum was less than 4, i.e. in that case all enterprises were included in the sample.
Sample size
Table 1 in the file 'Tables_2024' in the Annex section shows the number of enterprises (sources A and B) and self-employed persons with at least 1 employee (source C) that were included in the sample.
Stratification
Sampling criteria:
- in sources A, B - economic activity (NACE Rev.2 at 4 digit level),
- in source C - economic activity (NACE Rev.2 at 2 digit level), region and size classes of enterprises.
Not Applicable
See below.
Information on differences between national and European concepts, and — to the extent possible — their effects on the estimation.
The JVS covers the whole country of the Slovak Republic. It is in compliance with Regulation (EC) No 453/2008 of the European Parliament and of the Council on quarterly statistics on Community job vacancies.
Information on changes in definitions, coverage and methods in any two consecutive quarters, and their effects on the estimation.
Remarks
The JVS methodology was developed in accordance with PHARE Multi-country Programme (PHARE STAT - 2002), aiming to obtain data on job vacancies and occupied posts, comparable across European countries.
By the end of 2007, the reference date of the JVS data collection was the last day of the reference quarter. Starting from 2008Q1, the data is based on the average of the last days of each month in the reference quarter. Comparability of data before and after 2008 is very difficult. Therefore, the current time series has been kept since 2008.
