Written by Steven Hansen
This month’s headlines say was a decline in month-over-month growth in construction spending – Econintersect sees an increase BUT that is only because the previous month’s data was revised downward. As this series is volatile, it is best to look at the three month rolling average – and it is rapidly decelerating. The weakness over the last few months is attributable to deceleration in the rate of growth of private sector construction.
The backward revision this month again were generally moderate and downward – and the growth this month would have been worse except due to this backward revision decline. The 3 month rolling average of year-over-year growth continues to decelerate.
- Growth accelerated 0.4% month-over-month and Up 2.5% year-over-year. [there would have been no month-over-month acceleration except for the previous month being revised downward].
- Inflation adjusted construction spending up 1.0% year-over-year.
- 3 month rolling average is 3.0% above the rolling average one year ago, and down 0.9% month-over-month.
Unadjusted Construction Spending – Three Month Rolling Average Compared to the Rolling Average One Year Ago
- Down 0.4% month-over-month and Up 2.9% year-over-year (versus the reported 5.0% year-over-year growth last month).
- Market expected +0.3% to +1.0% month-over-month (consensus +0.6) versus the -0.4% reported
Construction spending (unadjusted data) was declining year-over-year for 48 straight months until November 2011. That was almost four years of headwinds for GDP. Construction spending is now in the fifteenth month of year-over-year spending expansion (unadjusted data), and the average rate of growth in the last 12 months had been over 5% – and this month the growth is well below that average.
Indexed and Seasonally Adjusted Total Construction Spending (blue line) and Inflation Adjusted (red line)
This month’s headline statement from US Census:
The U.S. Census Bureau of the Department of Commerce announced today that construction spending during September 2014 was estimated at a seasonally adjusted annual rate of $950.9 billion, 0.4 percent (±2.0%)* below the revised August estimate of $955.2 billion. The September figure is 2.9 percent (±2.1%) above the September 2013 estimate of $924.2 billion. During the first 9 months of this year, construction spending amounted to $710.1 billion, 6.1 percent (±1.3%) above the $669.3 billion for the same period in 2013.
PRIVATE CONSTRUCTION – Spending on private construction was at a seasonally adjusted annual rate of $680.0 billion, 0.1 percent (±1.0%)* below the revised August estimate of $680.8 billion. Residential construction was at a seasonally adjusted annual rate of $349.1 billion in September, 0.4 percent (±1.3%)* above the revised August estimate of $347.7 billion. Nonresidential construction was at a seasonally adjusted annual rate of $331.0 billion in September, 0.6 percent (±1.0%)* below the revised August estimate of $333.0 billion.
PUBLIC CONSTRUCTION – In September, the estimated seasonally adjusted annual rate of public construction spending was $270.9 billion, 1.3 percent (±3.1%)* below the revised August estimate of $274.4 billion. Educational construction was at a seasonally adjusted annual rate of $62.8 billion, 0.1 percent (±5.3%)* above the revised August estimate of $62.8 billion. Highway construction was at a seasonally adjusted annual rate of $79.9 billion, 3.7 percent (±6.9%)* below the revised August estimate of $82.9 billion.
Unadjusted Total Construction Spending Year-Over-Year (blue line) and Month-over-Month (red line) Change
Unadjusted Private Construction Spending Year-Over-Year (blue line) and Month-over-Month (red line) Change
Unadjusted Public Construction Spending Year-Over-Year (blue line) and Month-over-Month (red line) Change
It is obvious from the above graphics that all recent growth in construction spending has been in the private sector – but there is a clear deceleration in the rate of private sector growth.
Public construction is up 2.2% year-over-year (up 0.4% year-to-date) – all numbers are unadjusted. Private construction is up 2.6% year-over-year (up 8.6% year-to-date) – all numbers are unadjusted. Construction spending would have to increase by more than 45% to equal the average for 2006, 2007 and 2008. The sector is in a deep depression.
Caveats on the Use of Construction Spending Data
Although the data in this series is revised for several months after issuing, the revision is generally minor. This series is produced by sampling – and the methodology varies by sector being sampled.
The headline data is seasonally adjusted. Econintersect uses the raw unadjusted data.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).
The data set for construction spending is not inflation adjusted. Econintersect adjusts using the BLS Producers Price Index – subindex New Construction (PCUBNEW–BNEW). However in the inflation adjusted graph in this post, FRED does not have this series – andEconintersect has used Producer Price Index: Finished Goods Less Energy (PPIFLE), Monthly, Seasonally Adjusted which has similar characteristics.
Construction (which historically is an major economic driver) is a literal shadow of its former self. Its contribution to GDP is down $400 billion from its peak level in 2006. The main driver of construction spending is the private sector. Here is the historical breakdown. The graph below uses US Census seasonally adjusted data.
Obvious from the above graph that public spending on construction is falling off, while private spending is slightly trending up. The overall effect is that construction spending is near the same place it was in early 2010.
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