Unobserved-Components Models for Seasonal Adjustment Filters
Peter Burridge () and
Kenneth Wallis ()
The Warwick Economics Research Paper Series (TWERPS) from University of Warwick, Department of Economics
Time series models are presented for which the seasonal component estimates delivered by linear least squares signal extraction closely approximate those of the standard option of the widely-used Cencus X-11 program. Earlier work is extended by consideration of a broader class of models and by examination of asymmetric filters in addition to the symmetric filter implicit in the adjustment of historical data. Various criteria that guide the specification of unobserved-component models are discussed, and a new preferred model is presented. Other models generate filters that approximate X-11 rather well, explaining the wide acceptance of the X-11 method.
Keywords: time series : seasonal adjustment; signal extraction; X-11 method; unobserved-components models; ARIMA models (search for similar items in EconPapers)
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https://warwick.ac.uk/fac/soc/economics/research/w ... 78-1988/twerp244.pdf
Journal Article: Unobserved-Components Models for Seasonal Adjustment Filters (1984)
Working Paper: UNOBSERVED-COMPONENTS MODELS FOR SEASONAL ADJUSTMENT FILTERS (1983)
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Persistent link: https://EconPapers.repec.org/RePEc:wrk:warwec:244
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