Wholesale Sales and Inventories Mixed in May 2014

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The headlines say May 2014 wholesale sales improved and inventories grew - and our analysis essentially disagrees that sales improved. This data series is very noisy, and had been on a roller coaster of one good month / one bad month. Because of this noise, the best way to look at this series may be the three month rolling averages for unadjusted sales which continued to accelerate this month.

Follow up:

Econintersect Analysis:

  • unadjusted sales rate of growth decelerated 3.6% month-over-month
  • unadjusted sales year-over-year growth is up 3.9% year-over-year
  • unadjusted sales (but inflation adjusted) up 0.3% year-over-year
  • the 3 month rolling average of unadjusted sales accelerated 0.2% month-over-month, and up 5.9% year-over-year
  • unadjusted inventories up 7.8% year-over-year (accelerated 0.1% month-over-month), inventory-to-sales ratio is 1.13 which is historically is very high for non-recessionary periods for Mays.

US Census Headlines:

  • sales up 0.7% month-over-month, up 6.6% year-over-year
  • inventories up 0.5% month-over-month, inventory-to-sales ratios were 1.16 one year ago – and are now 1.18.
  • the market expected inventory month-over-month change between 0.4% to 0.7% (consensus 0.6%) versus the 0.7% reported.

Year-over-Year Growth – Wholesale Sales – Unadjusted data (blue line), Inflation Adjusted Data (red line)


The short term year-over-year trend for sales is now fluctuating in a narrow range after an improving period in the first half of 2013.

Wholesale Sales – Unadjusted – $ Millions


Wholesale sales have hit new monthly record highs 35 of the last 39 months (using current dollars). Overall, the inventory-to-sales ratios (a rising ratio is an indicator of economic slowing) above the normal range for past Mays.

Unadjusted Inventory-to-Sales Ratio (blue line) Year-over-Year Change


Year-over-year change in the inventory-to-sales ratio is what is important – this line seemed to show a flat to decelerating inventory trend. A flat trend would indicate an economy which was neither accelerating or decelerating. A decelerating trend would indicate an improving economy.

Caveats on the Use of this Index

The data in this index continues to be revised up to 3 months following initial reporting. The revision usually is not significant enough to change the interpretation of each month’s data in real time. Generally there are also annual revisions to this data series.

The methodology used by US Census to seasonally adjust the data is not providing a realistic understanding of the month-to-month movements of the data. One reason is that US Census uses data over multiple years which includes the largest modern recession which likely distorts the analysis. Further, Econintersect believes there has been a fundamental shift in seasonality in the aftermath of the Great Recession of 2007 – the New Normal.

Econintersect determines the month-over-month change by subtracting the current month’s year-over-year change from the previous month’s year-over-year change. This is the best of the bad options available to determine month-over-month trends – as the preferred methodology would be to use multi-year data (but the New Normal effects and the Great Recession distort historical data).

This series is NOT inflation adjusted. To make this adjustment Econintersect uses the PPI – subindex Total Wholesale AWHLTRAWHLTR.

As economic indicators go, wholesale sales and inventories are poor at spotting economic problems. Wholesale data did not start contracting during the Great Recession until October 2008. The only portion of wholesale trade data which seems to correspond to general economic conditions is wholesale trade employment.

All Employees – Wholesale

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