Euro-SDMX Metadata Structure (ESMS)
Contact | |
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Contact organisation | National Statistical Institute |
Contact organisation unit | 'Labour market, R&D, innovation and information society statistics' |
Contact name | Maia Papazova Lyubomira Angelova |
Contact person function | State expert Chief expert |
Contact mail address | 2, P. Volov Str., 1038 Sofia, Bulgaria |
Contact email address | |
Contact phone number | +359 2 9857 733 +359 2 9857 169 |
Contact fax number | |
Metadata update | |
Metadata last certified | 08 December 2023 |
Metadata last posted | 08 December 2023 |
Metadata last update | 08 December 2023 |
Statistical presentation | |
Data description | The survey on ICT usage and e-commerce in enterprises is part of the European Community Statistical Programme and is carried out on an annual basis in all EU member states by a common methodology. The aim of the survey is to collect and disseminate reliable and comparable information on the dissemination and use of ICT in enterprises in Bulgaria. The data are collected by a harmonised questionnaire of Eurostat which is updated each year to reflect the evolving situation of information and communication technologies. The survey covers the following subjects:
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Classification system | · National Classification of Economic Activities (NCEA-2003, for international use NACE.BG-2003) up to 2009; · Classification of Economic Activities (CEA-2008, for international use NACE.BG-2008) since 2010. |
Sector coverage | The survey covers enterprises with 10 or more persons employed classified in the following categories of NACE Rev. 2:
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Statistical concepts and definitions | The fixed connection to the internet includes ADSL, SDSL, VDSL, fiber optics technology (FTTP), cable technology, etc. A mobile connection to the internet means the usage of portable devices connecting to the internet through mobile telephone networks for business purposes. Cloud computing refers to ICT services that are used over the internet to access software, computing power, storage capacity etc. These services are delivered from servers of service providers, can be easily scaled up or down (e.g. number of users or change of storage capacity), can be used on-demand by the user and are paid for, either per user, by capacity used, or they are pre-paid. eInvoices are documents in a standard structure suitable for automated processing (EDI (e.g. EDIFACT), XML (e.g. UBL)). They are exchanged either directly or via service operators or via an electronic banking system. e-Commerce is the sale or purchase of goods or services conducted over computer networks by methods specifically designed for the purpose of receiving or placing of orders. The payment and the delivery of the goods or services do not have to be conducted online. e-Commerce transactions exclude orders made by manually typed e-mail messages. ERP (Enterprise Resource Planning) is a software used to manage resources of the enterprise by sharing information among different functional areas (e.g. accounting, planning, production, marketing, etc.). CRM (Customer Relationship Management) is a software for managing and facilitating communication with customers, analyzing customer information for marketing purposes, tracking their interests and purchasing habits.
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Statistical unit | Enterprise. |
Statistical population | The survey population consists of enterprises with 10 or more persons employed. |
Reference area | Enterprises located in any part of the territory of the country. |
Time coverage | Annual time series are available from 2004 onwards. The contents of the model questionnaire is adapted each year to measure the development of the use of ICT. Therefore not all variables have long time series. |
Base period | Not applicable. |
Unit of measure | |
Per cent | |
Reference period | |
Data refer to the current situation at survey period, or to the calendar year prior to the survey period (e.g. variables relating to e-commerce, e-invoice, big data). | |
Institutional mandate | |
Legal acts and other agreements | Until 2020:
From 2021:
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Data sharing | Not applicable. |
Confidentiality | |
Confidentiality - policy | · Law on Statistics · Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164), stipulates the need to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due account for technical developments and the requirements of users in a democratic society. |
Confidentiality - data treatment | In compliance to the Law on Statistics (Articles 25 and 26). |
Release policy | |
Release calendar | In accordance to the dates defined in the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute. |
Release calendar access | The calendar is available on the NSI website. |
User access | In accordance to the Rules for Dissemination of Statistical Products and Services. |
Frequency of dissemination | |
Annual | |
Accessibility and clarity | |
News release | Regular press release in the NSI's internet site. |
Publications | |
On-line database | Data on ICT usage and e-commerce in enterprises are available to all users of the NSI website under the heading Information Society. |
Micro-data access | In accordance to the Rules on Provision of the Anonymised Individual Data for Scientific and Research purposes. |
Other | Information services by order in accordance to the Rules for Dissemination of Statistical Products and Services. |
Documentation on methodology | Methodological manual for statistics on the Information Society, by Eurostat. |
Quality documentation | Quality reports comprising general methodological information of the survey, on statistical unit, population, sampling design, response and non-response, data processing and sampling errors. |
Quality management | |
Quality assurance | The Methodological Manual provides guidelines and standards for the implementation of the survey. |
Quality assessment | The national quality report provides users with basic information on quality at national level. |
Relevance | |
User needs | Main users of the data are Government institutions, research institutions and other users from the country, the European Commission, the International Communication Union and other international organizations. |
User satisfaction | Not available. |
Completeness | The survey on ICT usage and e-commerce in enterprises implements the full set of compulsory variables, according to EU Regulations. |
Accuracy and reliability | |
Overall accuracy | The sample used for the ICT usage in enterprises survey is a stratified random sample which includes about 5000 enterprises. Due to the sampling approach used the estimation of the parameters obtained from the survey could vary from those in the population due to sampling errors, errors due to non-response, errors in registration or processing etc. |
Sampling error | Standard sampling errors are calculated and reported for a selection of indicators and breakdowns by the use of special statistical software. |
Non-sampling error | |
Timeliness and punctuality | |
Timeliness | Data are disseminated according to the NSI’s Release Calendar schedule. |
Punctuality | All deliverables are provided in time in accordance with the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute and the deadlines defined in the EU regulations in the ICT domain. |
Coherence and comparability | |
Comparability - geographical | Fully comparable with all EU member states. |
Comparability - over time | Partial comparability due to changes of the general methodology. |
Coherence - cross domain | |
Coherence - internal | Not applicable. |
Cost and burden | |
Average duration of enterprise's interview is 25 minutes. | |
Data revision | |
Data revision - policy | In accordance to the Rules for Dissemination of Statistical Products and Services. |
Data revision - practice | In accordance to the Rules for Dissemination of Statistical Products and Services. |
Statistical processing | |
Source data | Sample statistical survey on the ICT usage and e-commerce by enterprises. |
Frequency of data collection | Data are collected on an annual basis. |
Data collection | Combined web-based questionnaire and interviews by phone or email. |
Data validation | Data validation is done by logical control of the primary data and comparison with the results of previous studies. Additional checks on comparability and data quality are carried out by Eurostat. |
Data compilation | Data processing is done by special statistical software. |
Adjustment | Not applicable. |
Comment |