by ZeroHedge News Staff at ZeroHedge
Tomorrow morning years of politically-motivated upward drift in US economic “data” will get their come to Jesus moment of gravitational reacquaintance: at 8:30am ET on Thursday, alongside the final Q2 GDP print (expected unchanged at 2.2%) the BEA will also publish its once-every-five-years revision of GDP from Q1 2005 to Q1 2023, which according to Morgan Stanley will lead to a sharp downward revision, of as much as 80bps from Q2 GDP, and could potentially even indicate economic contraction in the first half of 2023.
There are several reasons why GDP may be revised right off the proverbial cliff, but chief among them is the previously discussed record divergence between GDP and GDI, two series which – in theory – should be identical.
Besides GDP, Gross domestic income (GDI) and select income components will also be revised from Q1 1979 through Q1 2023, but as Morgan Stanley explained previously, the likely drift in revisions will be toward a lower GDP and higher GDI. This is how the bank’s chief US economist Ellen Zentner explained it previously:
GDP will likely be revised down toward GDI. Not only does the GDI/GDP gap tend to close in absolute terms, but we also find evidence that GDP usually converges toward GDI in YoY% rates. Exhibit 4 shows the relationship between the percentage point difference between GDI and GDP before the revision (latest quarter available before revision, YoY%) and the change in GDP growth rate after the revision (pp difference after vs before). There is a positive link between the two variables suggesting that a negative GDI/GDP difference like the one we have now might result in a downward revision to GDP. In Exhibit 4 we show two linear fits, one using the 20-year sample and the other only focusing on the revisions where the GDI/GDP gap closed, with a stronger link between the variables. Using the predictions from these simple models, we would expect to see a downward revision to 2Q 23 YoY% GDP of as much as -50bp to -80bp…
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