by How To Measure Quarterly Changes In GDP Can Make A Big Difference We have had dramatic headlines and commentary in recent days since the BEA issued its initial estimate of quarterly changes in GDP, which they do not officially measure on an shorter time period. This is a measure of the average GDP in one quarter compared to the average GDP in the next quarter. Looking at Q1 of this year and Q2 of this year, they reported the largest quarterly decline ever recorded, -32.9% on an annualized rate, about -9.5% on a quarterly rate. This is a sharper decline than seen either for any pair of quarters in the Great Depression or the immediate post-WW II demobilization, much less such later events as the Great Recession of 2007-09. Of course this generated big
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How To Measure Quarterly Changes In GDP Can Make A Big Difference
We have had dramatic headlines and commentary in recent days since the BEA issued its initial estimate of quarterly changes in GDP, which they do not officially measure on an shorter time period. This is a measure of the average GDP in one quarter compared to the average GDP in the next quarter. Looking at Q1 of this year and Q2 of this year, they reported the largest quarterly decline ever recorded, -32.9% on an annualized rate, about -9.5% on a quarterly rate. This is a sharper decline than seen either for any pair of quarters in the Great Depression or the immediate post-WW II demobilization, much less such later events as the Great Recession of 2007-09. Of course this generated big headlines and much breathless commentary, including quite a few commentators who did not get it that the -32.9% number was the annualized rate rather than the quarterly rate, so we had quite a few of them foolishly talking about how the economy had “fallen by a third.” Yikes.
As I have noted in previous posts here, the economy has been doing a lot better than a lot of reporting and forecasts have let on, even as it is certainly slowing down now. But if rather than looking at quarterly averages, which are heavily influenced by the fact that the economy did not “fall off a cliff” until mid-March, about 5/6 of the way through Q1 so that most of Q1 was at the high pre-fall level, one looks at where the economy was at the end of Q1 and compare it to where it was at the end of Q2, one gets a dramatically different story. Over on Econbrowser Menzie Chinn has produced a figure from IHS Markit that estimates these shorter period changes. According to them the US GDP at the end of March (end of Q1) was at about $17.6 trillion annual amount while at the end of June it was at about $18.0 trillion, about 2.2% higher on a quarterly rate, which is about 9% higher on an annualized rate. Needless to say, there is a dramatic contrast between -32.9% and +9.0%, but I have seen zero media commentary on this.
Indeed, growth has continued through July, although probably at a slower rate than in June, with a slower growth of retail sales of only 3.2% suggesting it has indeed slowed down quite a bit. But in fact the economy has been growing for probably more than three months, something although “worst ever” stories seem to have ignored, and indeed the figure Menzie showed that went through May and June but not July sure looked a lot like a V, if just a bit flatter going up than down.
For anybody for whom this is just unacceptable to think about and you must think all is bad, well, unemployment remains high and indeed apparently the unemployed numbers have started going up again. The economy may be ahead of where it was at the end of March, but it is still pretty far from where it was in February, and it is definitely slowing down, with its fate clearly closely tied to what happens with the coronavirus pandemic, which is not easily forecast..
Barkley Rosser