| Name | Country code |
|---|---|
| Malta | MLT |
The 2019 Malta Enterprise Survey covered the following topics:
National coverage
Malta ES was based on the following size stratification: small (5 to 9 employees), medium (10 to 49 employees), large (50 to 49 employees) and very large (250 or more employees).
| Name |
|---|
| World Bank Group (WBG) |
| European Bank for Reconstruction and Development (EBRD) |
| European Investment Bank (EIB) |
| Name |
|---|
| World Bank Group |
| European Bank for Reconstruction and Development |
| European Investment Bank |
The sample for 2019 Malta ES was selected using stratified random sampling, following the methodology explained in the Sampling Note.
Three levels of stratification were used in this country: industry, establishment size, and region.
Industry stratification was done as follows: Manufacturing - combining all the relevant activities (ISIC Rev. 3.1 codes 15-37) and Services (ISIC 45, 47, 50, 51, 55, 60-64, and 72).
For the Malta ES, size stratification was defined as follows: small (5 to 9 employees), medium (10 to 49 employees), large (50 to 49 employees) and very large (250 or more employees).
There was no regional stratification in the Malta ES 2019.
Note: Refer to Sampling Structure section in "The Malta 2019 Enterprise Surveys Data Set" document for further details on sampling.
Survey non-response must be differentiated from item non-response. The former refers to refusals to participate in the survey altogether whereas the latter refers to the refusals to answer some specific questions. Enterprise Surveys suffer from both problems and different strategies were used to address these issues.
Item non-response was addressed by two strategies:
a- For sensitive questions that may generate negative reactions from the respondent, such as corruption or tax evasion, enumerators were instructed to collect the refusal to respond (-8) as a different option from don’t know (-9).
b- Establishments with incomplete information were re-contacted in order to complete this information, whenever necessary.
The number of interviews per contacted establishments was 13.0%.
Since the sampling design was stratified and employed differential sampling, individual observations should be properly weighted when making inferences about the population. Under stratified random sampling, unweighted estimates are biased unless sample sizes are proportional to the size of each stratum. With stratification the probability of selection of each unit is, in general, not the same. Consequently, individual observations must be weighted by the inverse of their probability of selection (probability weights or pw in Stata.)
Special care was given to the correct computation of the weights. It was imperative to accurately adjust the totals within each region/industry/size stratum to account for the presence of ineligible units (the firm discontinued businesses or was unattainable, education or government establishments, no reply after having called in different days of the week and in different business hours, no tone in the phone line, answering machine, fax line, wrong address or moved away and could not get the new references). The information required for the adjustment was collected in the first stage of the implementation: the screening process. Using this information, each stratum cell of the universe was scaled down by the observed proportion of ineligible units within the cell. Once an accurate estimate of the universe cell (projections) was available, weights were computed using the number of completed interviews.
The structure of the data base reflects the fact that 2 different versions of the survey instrument were used for all registered establishments. Questionnaires have common questions (core module) and respectfully additional manufacturing- and services-specific questions. The eligible manufacturing industries have been surveyed using the Manufacturing questionnaire (includes the core module, plus manufacturing specific questions). Retail firms have been interviewed using the Services questionnaire (includes the core module plus retail specific questions) and the residual eligible services have been covered using the Services questionnaire (includes the core module). Each variation of the questionnaire is identified by the index variable, a0.
| Start | End |
|---|---|
| 2018-12 | 2019-09 |
The survey was implemented following a 2-stage procedure. Typically, first a screener questionnaire is applied over the phone to determine eligibility and to make appointments. Then a face-to-face interview takes place with the Manager/Owner/Director of each establishment. However, sometimes the phone numbers were unavailable in the sample frame, and thus the enumerators applied the screeners in person.
| Is signing of a confidentiality declaration required? | Confidentiality declaration text |
|---|---|
| yes |
Confidentiality of the survey respondents and the sensitive information they provide is necessary to ensure the greatest degree of survey participation, integrity and confidence in the quality of the data. Surveys are usually carried out in cooperation with business organizations and government agencies promoting job creation and economic growth, but confidentiality is never compromised. |
The use of this dataset must be acknowledged using a citation which would include:
Example:
The World Bank. Malta - Enterprise Survey (ES) 2019, Ref. MLT_2019_ES_v01_M. Dataset downloaded from https://www.enterprisesurveys.org/portal/login.aspx on [date].
The user of the data acknowledges that the original collector of the data, the authorized distributor of the data, and the relevant funding agency bear no responsibility for use of the data or for interpretations or inferences based upon such uses.
| Name | Affiliation | |
|---|---|---|
| Enterprise Analysis Unit | World Bank Group | enterprisesurveys@worldbank.org |
| Name | Affiliation | Role |
|---|---|---|
| Development Economics Data Group | The World Bank |
Documentation of the DDI |
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