Description of methods and sources for Albania - INSTAT
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Description of methods and sources for Albania - INSTAT

Description of methods and sources for Albania - INSTAT Description of methods and sources for Albania - INSTAT

instat.gov.al
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12.07.2015 Views

IPA 2009 Multi-beneficiary StatisticalCooperation ProgrammeMethod used to impute for missing dataImputation is done to cover the non-response of large enterprises. It is based on threemethods: historical trend imputation for units with data from previous quarters; colddeck with use of the previous year, administrative data for units for which we havedata from administrative sources; mean value imputation for the rest of the responselarge units.Variable used for grossing-up to the populationThe weights are different for the turnover, production, value added index anddomestic and non domestic turnover. The weights for the turnover index are based onthe turnover from the SBS statistics for the reference year 2005. The weights for theproduction and value added index are based on value added from the SBS statisticsfor the reference year 2005. The weights for the domestic and export turnover arebased on the data from the STS statistics for the reference year 2007.Main variables collectedThe following variables are covered each quarter:- turnover on domestic market;- labor costs;- number of employeesRetail trade survey: Methodological explanationsIndices on Retail trade and Sale and Repair of Motor vehicles from first quarter 2008are calculated with 2005=100 as a base year. Weights are calculated on the basis ofRetail trade and Sale and Repair of Motor Vehicles survey in 2005, conducted byINSTAT.The turnover is estimated on CPA (Classification of Products by Activity)classification level. The main groups are in accordance with the main groups used inthe Consumers’ Price Index.Main activities included in the survey are:• Retail trade activity, group 52-NACE-Rev 1 (excluding 52.6 and 52.7)• Sale and repair of motor vehicles, group 50 NACE Rev 1.Sample: The enterprises with 5 and more employed are exhaustive whereas theenterprises with 1 - 4 employed are surveyed by sample survey.Data collection: the data is directly collected to the enterprises; in a face to faceinterview, by the interviewer.The response rate was 94.4 %.200/236

IPA 2009 Multi-beneficiary StatisticalCooperation ProgrammeAnnex E: Methodology of the Household Budget Survey (HBS)The Household Budget Survey was carried out by INSTAT during the periodOctober 2006-September 2007. That is the reason why this data is not used for 2006calculations.The survey covered about 5600 households all over Albania. The sample was basedon a two-stage cluster design, the first stage was done by stratification: thestratification was based on 12+1 prefectures of Albania*, first stage units are theenumeration areas, and second stage units are the households. The selectionprocedure in both stages was a random sample stage, so it was representative atprefecture level and urban-rural level. The total number of selected households wasdivided into 4 sub-samples, one for each 3 months distributed geographically duringthe whole year, to take into consideration the seasonal changes. About 475households are interviewed each month, distributed in all selected areas, to be surefor the representation for all months of the year.Data collection was based on two phases of collection of information: Filling a diary from the households for 14 days, where expenditures forpurchasing products/services of consumption are recorded and when it wasnecessary filling of a 14 day self-consumption dairy, where only the productsproduced and consumed by household itself, during 14 days are recorded,estimated with the price that would be paid in the nearest shop. A face to face interview by interviewers through a questionnaire whichincludes questions on expenditures of higher value and rare frequency ofpurchasing grouped and divided according to specific topics. The samequestionnaire also includes questions on socio-demographic data of thecomponents of the family that will serve the family budget analysis accordingto typologies of families.The data is classified according to COICOP Classification in 12 main groups.Another HBS is ongoing. It started in November 2008 to last till December 2009.Supposedly, the periodicity of HBS will be every year.201/236

IPA 2009 Multi-beneficiary StatisticalCooperation ProgrammeAnnex E: Methodology <strong>of</strong> the Household Budget Survey (HBS)The Household Budget Survey was carried out by <strong>INSTAT</strong> during the periodOctober 2006-September 2007. That is the reason why this data is not used <strong>for</strong> 2006calculations.The survey covered about 5600 households all over <strong>Albania</strong>. The sample was basedon a two-stage cluster design, the first stage was done by stratification: thestratification was based on 12+1 prefectures <strong>of</strong> <strong>Albania</strong>*, first stage units are theenumeration areas, <strong>and</strong> second stage units are the households. The selectionprocedure in both stages was a r<strong>and</strong>om sample stage, so it was representative atprefecture level <strong>and</strong> urban-rural level. The total number <strong>of</strong> selected households wasdivided into 4 sub-samples, one <strong>for</strong> each 3 months distributed geographically duringthe whole year, to take into consideration the seasonal changes. About 475households are interviewed each month, distributed in all selected areas, to be sure<strong>for</strong> the representation <strong>for</strong> all months <strong>of</strong> the year.Data collection was based on two phases <strong>of</strong> collection <strong>of</strong> in<strong>for</strong>mation: Filling a diary from the households <strong>for</strong> 14 days, where expenditures <strong>for</strong>purchasing products/services <strong>of</strong> consumption are recorded <strong>and</strong> when it wasnecessary filling <strong>of</strong> a 14 day self-consumption dairy, where only the productsproduced <strong>and</strong> consumed by household itself, during 14 days are recorded,estimated with the price that would be paid in the nearest shop. A face to face interview by interviewers through a questionnaire whichincludes questions on expenditures <strong>of</strong> higher value <strong>and</strong> rare frequency <strong>of</strong>purchasing grouped <strong>and</strong> divided according to specific topics. The samequestionnaire also includes questions on socio-demographic data <strong>of</strong> thecomponents <strong>of</strong> the family that will serve the family budget analysis accordingto typologies <strong>of</strong> families.The data is classified according to COICOP Classification in 12 main groups.Another HBS is ongoing. It started in November 2008 to last till December 2009.Supposedly, the periodicity <strong>of</strong> HBS will be every year.201/236

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