Labour input in construction

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

Unit B2: Short-term Statistics

1.5. Contact mail address

National Statistics Office, Lascaris Valletta, VLT 2000, Malta


2. Metadata update Top
2.1. Metadata last certified 01/12/2010
2.2. Metadata last posted 01/12/2010
2.3. Metadata last update 01/12/2010


3. Statistical presentation Top
3.1. Data description

Variable B-210 (empl) represents employment in Annex B also refered to as "Construction." 

3.2. Classification system

The classifications used in STS is NACE rev.2

3.3. Coverage - sector
NACE
41
42
43
3.4. Statistical concepts and definitions

The objective of the index of number of persons employed is to show the development of employment. The number of persons employed is defined as the total number of persons who work in the observation unit.

A detailed definition of each indicator are described in the Cimmission Regulation 1503/2006.

3.5. Statistical unit

The Kind of activity unit is used for the construction indicators.

3.6. Statistical population

120 kind of activity units are used and the sample is taken by from the Business register.

3.7. Reference area

The Maltese Islands.

3.8. Coverage - Time

The data is available from 2000.

3.9. Base period

The base year used is 2010.


4. Unit of measure Top

The data is presented in index form.


5. Reference Period Top

The data is collected and disseminated 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. http://www.nso.gov.mt/docs/MaltaStatisticsAuthorityAct.pdf

The legal basis for the STS indicators is the Council Regulation No: 1165/98

6.2. Institutional Mandate - data sharing

The National Statistics Office (NSO) holds and processes various data that are confidential because they are either personal or commercially sensitive. The Malta Statistics Authority Act XXIV of 2000 provides for the rigorous protection of personal and commercial data.

Construction data is transmitted only to Eurostat.


7. Confidentiality Top
7.1. Confidentiality - policy

Confidentiality matters are regulated by the Malta Statistics Authority Act XXIV of 2000.

7.2. Confidentiality - data treatment

Confidential data is not disseminated, unless to Eurostat as per regulation and flagged as such. In the press release indices relating to activities with three or less units are regarded as confidential and are suppressed or amalgamated with other NACE Divisions.


8. Release policy Top
8.1. Release calendar

All releases are published and disseminated at 1100 hrs as scheduled in the Advance Release Calendar. The calendar is published on the NSO website (http://www.nso.gov.mt/statdoc/news_release_calendar.aspx) and includes a 3 month advance notice (the current month and the forthcoming two months).

8.2. Release calendar access

An advance release calendar is published on the NSOs website: http://www.nso.gov.mt/statdoc/news_release_calendar.aspx

8.3. Release policy - user access

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


9. Frequency of dissemination Top

Data is provided to Eurostat on a quarterly basis.


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

No local news release is published on the construction indicators.

10.2. Dissemination format - Publications

The short-term statistics only publishes its figures in an annual compendum named Malta in Figures.  The publication can also be accessed from NSOs website by making use of the following link http://nso.gov.mt/site/page.aspx?pageid=142

10.3. Dissemination format - online database

The NSO website also offers an online statistical database (StatDB) that provides a more in-depth analysis for the more expert statistical user or researcher. The StatDB requires a registration as only registered users can extract data from the database. Registration is free-of-charge and is required to  allow the NSO to receive important feedback from the more expert users of official statistics. Each data set has a ‘last updated’ date clearly indicated andsimilar data published in other statistical products may not add up due to revisions/updates.

10.4. Dissemination format - microdata access

In general, index results made available to Eurostat  ensure a sufficient degree of representativeness of data. In limited cases, when confidentiality clauses are not within the remit of the Malta Statistical Authority Act (2000) or Article 20 of Regulation (EC) No 223/2009 of the European Parliament and of the Council of 11 March 2009, data is flagged confidential.

No data on individual statistical units is provided.

10.5. Dissemination format - other

Data transmission are provided to Eurostat.

10.6. Documentation on methodology

Not available.

10.7. Quality management - documentation

Quality reports are required by the Commission according to article 14(2) of the STS-regulation.


11. Quality management Top
11.1. Quality assurance

The NSO quality assurance principles are developed according to the ESS Handbook for Quality Reports (2008) and an internal document, Policy on the Documentation of Data Quality and Methodology. The latter is published on the NSOs website, http://nso.gov.mt/docs/Documentation_of_data_quality_and_methodology.pdf

11.2. Quality management - assessment

The quality of data is considered of good quality.


12. Relevance Top
12.1. Relevance - User Needs

The spectrum of users of short-term statistics is widespread and therefore it is difficult to identify them in order of importance. Amongst the various one, finds the government with particular reference made to the Ministry of Finance, other governmental departments such as the Economic Policy Division. Other institutions such as the Central Bank of Malta make frequent reference to the data this unit publishes. The general business community and educational institutions also make use of our statistical indicators.

12.2. Relevance - User Satisfaction

Not available.

12.3. Completeness

Data are compliant with relevant Europan and local regulations


13. Accuracy Top
13.1. Accuracy - overall

The overall accuracy of variable B-210 (empl) is considered to be of good quality.

13.2. Sampling error

Coefficient of variation (2.26%)

13.3. Non-sampling error

Non-sampling errors are a consequence of any surveying method and are extremely difficult, if not impossible, to measure. In general, these errors are the result but are not limited to problems such as under or over coverage, non-response, data-processing, estimation and analysis. Most often such errors are grouped into two cohorts: random or systematic errors.

Non respondents are estimated.


14. Timeliness and punctuality Top
14.1. Timeliness

Data for variable B-210 is published according to EU regulations. The reference period is at least quarterly and transmission deadlines occur every 2 months and 15 days.

14.2. Punctuality

All deadlines are respected with respect to the construction indicators.


15. Coherence and comparability Top
15.1. Comparability - geographical

To ensure geographical comparability across member states the index is compiled according to the STS regulation and STS methodological guidelines. Minor methodological deviations may exist due to specific conditions that apply to each member state.

The CR 1503/2006 is applied.

15.2. Comparability - over time

The data series has been compiled since the year 2000. The first set of indicators were 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.

15.3. Coherence - cross domain

Data is cross checked against administrative sources.

15.4. Coherence - internal

Not applicable.


16. Cost and Burden Top

The cost of producing this data is of one statistician spending 60 hours per year on these indicators.


17. Data revision Top
17.1. Data revision - policy

Revisions are carried according to regulation No1165/98. Internal procedures are also established and are published in the  document, Revisions of official Statistics published on the NSO website: http://www.nso.gov.mt/site/page.aspx?pageid=582

17.2. Data revision - practice

Revisions are carried according to regulation No1165/98. Internal procedures are also established and are published in the  document, Revisions of official Statistics published on the NSO website: http://www.nso.gov.mt/site/page.aspx?pageid=582

However there are not a significant amount of revisions.


18. Statistical processing Top
18.1. Source data

Sample survey

18.2. Frequency of data collection

The frequency of data collection is quarterly.

18.3. Data collection

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

18.4. Data validation

Data is validated through regular checks throughout the system lifecycle being during data input stage, data processing and analysis stage. Various analytical checks are executed by our statisticians while other validations are in-built in our data systems.

The basic checks prior transmission are done: file format, code lists and consistency.

18.5. Data compilation

The Laspeyres index index calculation is used and the base year is 2010 for the index production.

18.6. Adjustment

Unadjusted, trend and seasonal adjusted.



Annexes:
Construction employment adjustments metadata


19. Comment Top

Not available


Related metadata Top


Annexes Top