GDP++
GDP++ is a new measure for U.S. GDP growth, which results from a novel approach to data reconciliation, exploiting multiple data releases on each series.
This helps both with the identification of measurement errors and with optimally extracting information from multiple noisy but potentially informative series.
The GDP++ measure is shown to undergo smaller revisions on average than the GDP+ measure of Aruoba et al. (2016) or the simple average of GDE and GDI published by the BEA.
GDP++ also puts more weight on expenditure-side estimates than either of these other measures, consistent with the finding that historical decompositions of GDE and GDI measurement errors reveal a larger news share in GDE than in GDI.
external pageSee Jacobs, Sarferaz, Sturm and van Norden (2020) for a more detailed discussion.
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