A note on spurious seasonal patterns and other distortions in the BLS local area unemployment statistics

Keith Phillips and Jianguo Wang
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Jianguo Wang: Federal Reserve Bank of Dallas, Postal: Dallas, Texas, USA

Journal of Economic and Social Measurement, 2014, issue 3, 145-152

Abstract: This paper examines the potential sources behind statistically significant seasonal patterns in the state level seasonally adjusted Local Area Unemployment Statistics (LAUS) released by the U.S. Bureau of Labor Statistics (BLS). We find that these seasonal patterns are likely spurious and may be due to the pro-rata factors used in benchmarking the states to census regions and national totals. In addition we find that the Henderson 13 filter used by the BLS to smooth the seasonally adjusted state data often makes the data inconsistent with national labor market data. We conclude that the BLS should use seasonally adjusted data when estimating the pro-rata factors used to benchmark states to regional and national totals.

Keywords: Local area unemployment statistics; data revisions; seasonal adjustment; C8 (search for similar items in EconPapers)
JEL-codes: A13 (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:ris:iosjes:0017

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