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Methods and sources

This page provides links on the methods and sources relating to the output approach to gross domestic product (GDP(O)).

Details on the users and uses of the GDP(O) and other short-term economic indicators can be found in the ”Users and uses of short-term economic indicators” (47 Kb Pdf) report.

Full details on the sources and weights used to calculate the index of production (IoP), index of services (IoS) and output approach to measuring GDP can be found in the GDP(O) source catalogue (317.5 Kb Excel sheet) .

An overview of the 4 types of weights used in the calculation of the IoP, IoS and GDP(O) including a summary table can be found in the ”Overview of weights” (27.6 Kb Pdf)  report.

Details on the aggregation of low-level industries, including detailed information on the weights and how they are derived and applied, can be found in the ”Low-level industry aggregation” (88.6 Kb Pdf) report.

Information on the concept of deflation and how deflation weights are derived and applied, as well as details of how deflation is applied to IoP, IoS and GDP(O), can be found in the ”Deflation” (163.5 Kb Pdf) report.

Details on how the gross value added (GVA) weights are derived can be found in the ”Derivation of GVA weights” (68.7 Kb Pdf) report.

Details of how the GDP(O) is revised, the revisions cycle, short & long-term revisions and revisions triangles can be found in the ”GDP(O) revisions” (30.8 Kb Pdf) report.

Details on the quality of the GDP(O), including accuracy, sampling & non-sampling errors, improvements and quality assurance can be found in the ”Quality of the GDP(O)” (33.8 Kb Pdf)  report.

Details on how the first estimate of GDP is created can be found in ”Creating the preliminary estimate of GDP” (72.4 Kb Pdf) report.

Information on the annual and quarterly balancing processes, see the ”Balancing the output approach to measuring GDP” (16.2 Kb Pdf) report.

Impact of quarterly employment on monthly survey response (163.7 Kb Pdf) .

Monthly business survey variance of change paper (110 Kb Pdf) .

Initial results of the short-term output indicators user survey (51 Kb Excel sheet) .

ONS response to feedback from the short-term output indicators user survey (110 Kb Pdf) .

Content from the Office for National Statistics.
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