00000nam 2200000za 4500 9.837954 CaOODSP 20221107151249 cr ||||||||||| 170608s1985 onc |o f|0| 0 eng d CaOODSP eng n-cn--- CS11-614/85-50E-PDF Huot, Guy. Additive versus multiplicative seasonal adjustment when there are fast changes in the trend-cycle [electronic resource] / by Guy Huot ; Nazira Gait. [Ottawa] : Statistics Canada, [1985]. [16] p. : figures. Working paper ; 85-50 Digitized edition from print [produced by Statistics Canada]. "Working Paper TSRA-85-050." Includes bibliographic references. "This article analyses some aspects of the interplay between a severe recession and seasonal adjustment. In just one year, that is in 1981, this recession has nearly doubled the level of beneficiaries. Such a sudden large change prompts questions about the structure of the series, the choice of the X-11-ARIMA decomposition model, the determination of turning points at the end of the series, and the use of ARIMA forecasts for seasonal adjustment"--Introduction, p. [1]. gccst Methodology gccst Statistical analysis Gait, Nazira. Canada. Statistics Canada. Methodology Branch. Working paper (Statistics Canada. Methodology Branch) 85-50 (CaOODSP)9.834763 PDF 1.09 MB https://publications.gc.ca/collections/collection_2017/statcan/11-613/CS11-614-85-50-eng.pdf 11-614E