In These Times: Advance to 3rd GDP Growth Rates

The quarter-on-quarter growth rate for Q2 at 0.9% was below consensus by 1.3 ppts (SAAR), but above GDPNow and IHS-Markit (0.4 ppts, 0.5 ppts respectively). While the mean revision for advance to third release is essentially zero over the 1996-2020 period (see BEA), over the last 5 quarters (2021Q1-22Q1), they have been 1.9 ppts (MAR 12.9 ppts,  RMSR 6.8 ppts). That is, the characteristics of revisions from advance to 3rd seem to have changed (although I’ve not done a test for statistical significance), with the advance being revised upward over releases.

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