As we expected, economic growth in the third quarter of 2012 was revised upward twice before being finalized at the end of December 2012, rising from the originally reported annualized growth rate of 2.0% to 3.1% in the BEA's third (and final for now) estimate for that quarter.
We had forecast that real GDP would be recorded at $13,602.8 billion in terms of constant 2005 U.S. dollars, and the BEA's third estimate came in at $13,652.6 billion - a difference of $49.8 billion, or within 0.04% of the BEA's last recorded figure.
We've updated our forecast for where GDP in the fourth quarter of 2012 with that finalized data:
Our inertia-based forecast is overly optimistic and we anticipate that real GDP in 2012-Q4 will be recorded at a level below the $13,726.5 billion in terms of inflation-adjusted, chained 2005 U.S. dollars shown in the chart above, thanks to the combination of our expected major slowdown in economic growth for the quarter and the negative impact of Hurricane Sandy.
We'll close by repeating our comments from 29 October 2012:
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