GDP: Revisions and Forecasts
Menzie Chinn (November 19th, 2009) Writes:
There's been some discussion of how the GDP estimates for 2009Q3 might be revised downward in light of the September trade release [1]. e-Forecasting has presented its latest estimates up to October, and Macroeconomic Advisers through September. Macroeconomic Advisers writes:
...The increase in September was more than accounted for by a large positive contribution from nonfarm inventories (slower inventory paring in September than August). The level of monthly GDP in September was 0.9% above the third-quarter average at an annual rate. Average monthly increases of 0.3% per month during the fourth quarter support our latest tracking forecast of 3.3% growth in the fourth quarter.
The series are plotted below.
Figure 1: Real GDP in billions Ch.2005$, SAAR (blue bars), Macroeconomic Advisers 10/17 release (green), and e-forecasting 11/19 release (red). NBER defined recession dates shaded gray, assuming end occurs at 2009M06. Source: BEA 2009Q3 advance release, ...


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Figure 1: Real GDP in billions Ch.2005$, SAAR (blue bars), Macroeconomic Advisers 8/17 release (green), and e-forecasting 8/19 release (red). NBER defined recession dates shaded gray, assuming end occurs at 2009M06. Source: BEA 2009Q2 advance release,
Figure 1: Real GDP from BEA (blue bars), and Macroeconomic Advisers 3/13 (red), e-forecasting 4/3 (blue). Tan shaded area indicates OECD 3/31 forecast for 2009Q1. Source: BEA, GDP release of 26 March 2009; Macroeconomic Advisers 
Figure 1: Nonfarm payroll employment, seasonally adjusted, various releases. NBER defined recession dates shaded gray (assuming recession has not ended by 2009M01). Source: BLS, employment situation, various releases, via St. Louis Fed FRED II.
Figure 3: Log Nonfarm payroll aggregate weekly hours (blue), and Log Nonfarm payroll employment (red), seasonally adjusted, normalized to 0 in 2007M12. NBER defined recession dates shaded gray (assuming recession has not ended by 2009M01). Source: BLS, employment situation, December release, via St. Louis Fed FRED II, and author's calculations.
Figure 1: GDP (light blue bars), GDP from e-forecasting, 12/16 (blue), and from Macroeconomic Advisers 12/16 (red) in Ch.2000$, SAAR. NBER defined recession dates shaded gray (assuming recession has not ended by 2008M12). Source: BEA, GDP release of 25 November,
Figure 2: Log real GDP, from 25 Nov 08 preliminary release (blue), potential GDP (black), WSJ mean forecast from November survey (red), from December survey (green). Source: BEA NIPA releases
Figure 1: Nonfarm payroll employment, seasonally adjusted, various releases. NBER defined recession dates shaded gray (assuming recession has not ended by 2008M12). Bloomberg consensus for November in dark blue square. Source: BLS, employment situation, various releases, via St. Louis Fed FRED II, Bloomberg.
... 