Labour input

National Reference Metadata in Euro SDMX Metadata Structure (ESMS)

Compiling agency: National Statistics Office


Eurostat metadata
Reference metadata
1. Contact
2. Metadata update
3. Statistical presentation
4. Unit of measure
5. Reference Period
6. Institutional Mandate
7. Confidentiality
8. Release policy
9. Frequency of dissemination
10. Accessibility and clarity
11. Quality management
12. Relevance
13. Accuracy
14. Timeliness and punctuality
15. Coherence and comparability
16. Cost and Burden
17. Data revision
18. Statistical processing
19. Comment
Related Metadata
Annexes (including footnotes)
 



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1. Contact Top
1.1. Contact organisation

National Statistics Office

1.2. Contact organisation unit

Directorate B: Business Statistics

Short-term Business Statistics

1.5. Contact mail address

National Statistics Office, Lascaris Valletta, VLT 2000, Malta


2. Metadata update Top
2.1. Metadata last certified 10/07/2024
2.2. Metadata last posted 10/07/2024
2.3. Metadata last update 10/07/2024


3. Statistical presentation Top
3.1. Data description

The short-term statistics labour variables are the following:

- Number of employees and self employed persons

- Hours worked by employees

- Gross wages and salaries

These labour variables are compiled for the industry, construction, wholesale and retail trade and services domains.

However, in practice, the self employed persons sub-variable is not observed.

3.2. Classification system

The classification used in STS is NACE rev.2.

3.3. Coverage - sector

Industry domain: NACE Sections B, C, D and Division E36.

Construction domain: NACE Section F.

Wholesale and retail trade domain: NACE Section G [NACE Divisions 45, 46 and 47].

Services domain: NACE Sections H, I, J, L, M, N.

3.4. Statistical concepts and definitions

The definitions of the main variables for the domains of industry, construction, trade and services are the following:

Employment: The number of employees includes all paid and unpaid workers. Self-employed persons are also included.

Hours worked by employees: Hours worked includes the total amount of hours actually worked, that is: regular working hours and also during overtime; during nights, Sundays or public holidays. Hours worked but not paid are also considered. Hours worked does not include vacation and sick leave, loss of work-hours due to accidents, strikes, lock outs, slack time etc. and also time spent for meal breaks and commuting strike days. The hours worked for self-employed persons are not included.

Gross wages and salaries: Gross wages and salaries are defined as the total sum of remuneration in cash or in kind payable to all persons employed in return of work done during the reference period, irrespective of whether this remuneration is paid regularly or not. Direct taxes and employees’ social security and pension contributions are included. Wages and salaries of self-employed persons are not included.

3.5. Statistical unit

The statistical unit is the Kind of Activity Unit (KAU).

3.6. Statistical population

Industry variables: The statistical population is around 2000 units and includes all those units falling under NACE divisions 8 - 36.

Construction variables: The statistical population is around 3300 units and includes all those units falling under NACE divisions 41 - 43.

Wholesale and retail trade variables: The statistical population is around 9000 units and includes all those units falling under NACE divisions 45 - 47.

Services indicators variables: The statistical population is around 6000 units and includes all those units falling under NACE sections H, I, J, L, M and N.

3.7. Reference area

The indicators cover the national territory of the Maltese Islands. They do not cover activities outside this geographical area.

3.8. Coverage - Time

The data for these indicators are available from the year 2000.

3.9. Base period

Base year (year on which weights are based): 2021

Reference year (year when the index equals 100): 2021

The same base and reference years are used for data published locally and that transmitted to Eurostat.


4. Unit of measure Top

The data are provided in index form both to Eurostat and when publishing news releases on a national level. Percentages changes from one period to another are also published.


5. Reference Period Top

Industrial labour variables are submitted on a monthly basis.

Construction labour variables are submitted on a quarterly basis.

Retail trade labour variables are submitted on a quarterly basis.

Services labour variables are submitted on a quarterly basis.


6. Institutional Mandate Top
6.1. Institutional Mandate - legal acts and other agreements

The NSO was established by virtue of the Malta Statistics Authority Act XXIV of 2000 and replaced the Central Office of Statistics as from 1 March 2001: https://legislation.mt/eli/cap/422/eng/pdf

On a European level, the main legal framework is the European Business Statistics Regulation 2019/2152 and 2020/1197

6.2. Institutional Mandate - data sharing

Data Sharing matters are governed by the Malta Statistics Authority Act XXIV of 2000.

All labour variables are sent to Eurostat.


7. Confidentiality Top
7.1. Confidentiality - policy

Apart from the established legislative framework, the NSO is also guided by an internal general confidentiality policy. Data tagged as confidential are not available for publication.

7.2. Confidentiality - data treatment

Confidentiality matters are regulated by the Malta Statistics Authority Act XXIV of 2000. Such data are marked as such.


8. Release policy Top
8.1. Release calendar

An advance release calendar is published on the NSOs website.

8.2. Release calendar access

All releases are published and disseminated at 1100 hrs as scheduled in the Advance Release Calendar. The calendar is published on the NSO website and includes a 3 month advance notice (the current month and the next two months).

https://nso.gov.mt/calendars/

8.3. Release policy - user access

National statistical releases are issued according to the release calendar and are made available to all users simultaneously. All releases are posted on the organisation's website, www.nso.gov.mt.


9. Frequency of dissemination Top

Industrial labour variables are submitted to Eurostat 60 days after the end of the reference period on a monthly basis.

Construction labour variables are submitted to Eurostat 75 days after the end of the reference period on a quarterly basis.

Retail trade labour variables are submitted to Eurostat 75 days after the end of the reference period on a quarterly basis.

Services labour variables are submitted to Eurostat 60 days after the end of the reference period on a quarterly basis.

 

National news releases for these indicators are carried out on a quarterly basis and according to the national news release calendar.


10. Accessibility and clarity Top
10.1. Dissemination format - News release

The main dissemination channel for official statistics is the NSO website (http://www.nso.gov.mt).

A quarterly news release is published on the industrial indicators and another news release covers retail and services indicators.

10.2. Dissemination format - Publications

The short-term statistics only publishes its figures in an annual compendium named Malta in Figures or Trends in Malta. These can be accessed from the NSO website:www.nso.gov.mt

10.3. Dissemination format - online database

The NSO website offers an online statistical database (StatDB) that provides a more in-depth analysis for the more expert statistical user or researcher. The StatDB requires registration as only registered users can extract data from the database. Registration is free-of-charge.

10.4. Dissemination format - microdata access

In general, index results made available to Eurostat ensure a sufficient degree of representativeness of data. More detailed data than that published locally and internationally are available on request but are subject to the confidentiality clauses.

In such cases, data are provided in index form. Micro data are not provided to users.

10.5. Dissemination format - other

Data are transmitted to Eurostat.

10.6. Documentation on methodology

The main document used for the production of this index is the following:

European Business Statistics Regulation, 2021

https://ec.europa.eu/eurostat/web/products-manuals-and-guidelines/-/ks-gq-21-001

10.7. Quality management - documentation

Not available.


11. Quality management Top
11.1. Quality assurance

The NSO quality assurance principles are developed according to the ESS Handbook for Quality Reports (2014).

11.2. Quality management - assessment

Aspects of quality are divided into several steps. These are specifying needs, designing and building data instruments and collecting, processing, analysing, disseminating, archiving and evaluating data. The main guiding principles in quality management are found in the:

European Statistics Code of Practice and in the European Business Statistics Manual, 2021.

Overall, the quality of the labour indicators for all domains is reliable.


12. Relevance Top
12.1. Relevance - User Needs

The main users of these indices are the following:

 - Eurostat

- Central Bank of Malta

- Ministry of Finance, Malta

- Other international organisations

12.2. Relevance - User Satisfaction

Not available

12.3. Completeness

Data are compliant with relevant European and local regulations and requirements are fully fulfilled.


13. Accuracy Top
13.1. Accuracy - overall

The overall accuracy of the variables is considered to be of good quality. 

Sampling error is considered to be small, non-sampling error is small and the first estimates are not biased.

13.2. Sampling error

Sampling error is considered to be small or not applicable because for many of the NACE categories, the sample designs are based on cut-off thresholds.

13.3. Non-sampling error

Non-sampling errors relate to problems such as under or over coverage, non-response, data-processing and estimation. 

Non-sampling errors in the labour indicators are mainly due to non-response error. Hence, the Short-term Statistics unit make use of administrative data and good estimation techniques where needed. The hours worked variable may suffer a bit more from this problem than the other labour indicators. This is due to the relatively more difficult computational nature of the variable from the part of the units in the sample.

Administrative Registers help us to fill in a lot of non-response. Weighted response rate is over 75% using employment as the weighting variable.


14. Timeliness and punctuality Top
14.1. Timeliness

Industry and services labour variables are released 60 days after the end of the reference period while construction and retail labour variables are released 75 days after the end of the reference period. Questionnaires are sent a week before the end of the reference period.

14.2. Punctuality

The NSO is committed to adhere to the timelines established by the European Business Statistics Regulations 2019/2152 and 2020/1197 and also issues news releases according to its pre-published calendar.

All deadlines were respected during the course of the year.


15. Coherence and comparability Top
15.1. Comparability - geographical

To ensure geographical comparability across member states the indices are compiled according to the European Business Statistics Regulations 2019/2152 and 2020/1197 and the STS Methodological Guidelines.

15.2. Comparability - over time

The data series has been compiled since the year 2000. The first set of indicators was based on NACE Rev 1. Following 2009, the indicator was published according to the new NACE Rev 2 classification. Furthermore, for every year ending in 0 or 5, new fixed aggregation weights are introduced.

There is no break in series in the data.

15.3. Coherence - cross domain

Employment data are sometimes compared to administrative data, however no other checks are made.

15.4. Coherence - internal

Aggregates may not always be consistent with sub-aggregates due to the nature of the index calculation.


16. Cost and Burden Top

Data burden is considered high but no data are available.


17. Data revision Top
17.1. Data revision - policy

Revisions are carried according to the European Business Statistics Regulation. Internal procedures are also established.

The same revision policy is applied to both data released nationally and that sent to Eurostat.

Revision analysis is carried out before every news release published locally or sent to Eurostat and clear explanations are also sought. Detailed explanations at micro data level are also analysed  but only used internally for quality information purposes. Generally, this index will have routine minor revisions due to actual data replacing estimates due to non-response. Major revisions may also be done but this will be on an exceptional basis.

A revision calendar does not exist.

17.2. Data revision - practice

Data marked as provisional are revised when actual data are received and estimates are replaced.


18. Statistical processing Top
18.1. Source data

Data on the industrial labour variables are based on a sample survey of around 200 units.

Data on the construction labour variables are based on a sample survey of around 135 units.

Data on the retail trade labour variables are based on a sample survey of around 700 units.

Data on the services labour variables are based on a sample survey of around 800 units.

 

The samples are refreshed every 5 years and turnover and employment are the main indicators used to stratify the samples into 3 size strata. In certain NACE divisions, a cut-off of 80% was used for the Base 2015 data.

18.2. Frequency of data collection

Industry labour variables - monthly.

Construction, retail trade and services - quarterly.

18.3. Data collection

Data are collected by means of a monthly statistical questionnaire. Questionnaires are sent by post and their collection is done via post, fax, e-mail or online systems.

18.4. Data validation

Validations of format and file structure checks and intra-dataset checks are checked with the use of in-house excel sheets and access databases.

Revisions analysis is also carried out for every data transmission sent to Eurostat using in-house access queries. When data revisions are significantly large, a short explanation is also given to Eurostat.

18.5. Data compilation

Non-response is treated by micro-estimation to ensure a full response for all surveyed units. 

A Laspeyres type index is used for compilation and the weights are updated every 5 years from the Structural Business Statistics survey.

The current file conversion is GESMES/TS and the plan is to use the SDMX-ML tool in the future.

18.6. Adjustment

Necessary working day and seasonal adjustments are made to the variables of hours worked and gross wages and salaries. No adjustments are made to the employment variable.

 

The software used for adjustments is JDemetra+ 2.2.0. The calendar used is country-specific and replacement of outliers is not done.

The direct method of adjustment is used for all the variables. Models are revised once every year and the whole time series is revised with every additional data.

To check the quality of the indicators, the Charts and S-I Ratio in the Main Results tab are always checked. Calendar effects are checked by analysing t tests, p values and outlier effect.

Seasonality is checked mainly by analysing the stability and seasonality tests (Friedman test, Kruskall-Wallis test, evolutive seasonality test, combined seasonality test and residual seasonality test) of the series. There are no seasonal breaks and filter length is chosen automatically.

Adjusted data is then compared with the previous transmission / news release to check for any large discrepancies.  


19. Comment Top

This metadata file brings together all the labour variables (employment, hours worked and wages) of all the STS domains (industry, construction, retail trade and services).


Related metadata Top


Annexes Top