• Steve H. Hanke
    05/04/2016 - 08:00
    Authored by Steve H. Hanke of The Johns Hopkins University. Follow him on Twitter @Steve_Hanke. A few weeks ago, the Monetary Authority of Singapore (MAS) sprang a surprise. It announced that a...

Spot The Grotesque Retail Sales Seasonal Adjustment Outlier

Tyler Durden's picture


By now everyone knows that when all else fails with propaganda data manipulation, the US government goes right to Plan B: the X-12-ARIMA seasonal adjustment program (full 257 instruction manual here). It most certainly did that in June. The chart below shows the June difference between Seasonally Adjusted and Non-Seasonally Adjusted headline data: a positive number means that contrary to the empirical seasonal adjustment data of the past 15 years, NSA was lower than SA, implying an abnormal boost to seasonal adjustments to make June appear far, far better than the actual NSA data implies. Well, try to find which June of the past 15 is an outlier...

Source: NSA and SA retail sales and June data.

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