Definition: Seasonal variation

Category: OECD - Data and Metadata Reporting

That part of the variations in a time series representing intra-year fluctuations that are repeated more or less regularly in the same period year after year. http://ec.europa.eu/eurostat/ramon/coded_files/OECD_data_metadata_report_handbook_EN.pdf
Source:
OECD, 2004, "Some proposals for standard terminology relating to data presentation", paper presented to the OECD Short-term Economic Statistics Working Party (STESWP), 28-30 June 2004, Paris [quoted in Organisation for Economic Co-operation and Development (OECD), "Data and Metadata Reporting and Presentation Handbook", OECD, Paris, 2007]
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