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Aug 9, 2018
The Daily Star
When economic history improves with time
Carmen M. Reinhart
Seldom does a dense report from a statistical agency take your breath away, but the latest publication on the United States’ national income accounts from the Bureau of Economic Analysis is the exception that proves the rule. The publication, after all, is the BEA’s comprehensive, bottom-up quinquennial reassessment of income, output and prices going back to the Model-T days of economic activity.Wading into the review’s details, one finds a slightly improved outlook for medium-term growth. Moreover, the data on personal saving suggest somewhat fewer vulnerabilities and more resilience in the household sector. On the other hand, the review changes nothing concerning the two yawning holes – the twin fiscal and external deficits – in the national accounts.
The report requires economists to revise our view of the U.S. economy. First, two bits of good news. In addition to reporting that real GDP increased at a 4.1 percent annual rate in the second quarter of this year, output in the first quarter was revised upward somewhat, and this was preceded by considerably more income growth. The net effect does not change the big picture – the U.S. still took six years to dig its way out of the Great Recession – but the growth trend (averaging output and income, which is a more reliable measure of activity than either alone) was faster than previously believed. This is significant because, thanks to compounding, small increases in a growth rate produce large benefits down the road.
Far more important, the extra income was not matched by newfound household spending. In nominal terms, the level of personal saving is nearly double what was reported over the prior four quarters. Relative to disposable income, the personal saving rate is now estimated to be 6.8 percent, not the 3.2 percent reported in May. Moreover, the saving rate has been moving sideways, at above 6 percent, over the past five years, rather than falling precipitously, as was previously thought. The upward revisions go even further back, with the percentage differences between updated and prior data on nominal personal saving in double digits since the mid-1990s. The national income accounts, it seems, have caught up to balance-sheet reality. Since the financial crisis, U.S. households have deleveraged and built up wealth. According to the Federal Reserve, they added about 1.75 years’ worth of disposable income to their net worth from 2008 to 2017. Based on these data revisions, a heftier portion of this wealth accumulation came the old-fashioned way, by consuming less income.
The revision of data for household spending patterns lends support to the economic outlook. If American families are not currently overstretching their paychecks, they have resources to continue to increase their spending. While real growth rates of 4 percent or higher are not in the immediate future, the U.S. economy will probably expand by 3 percent in 2018, a pace not achieved in a dozen years.
Economic growth at that pace exceeds the expansion of aggregate supply, straining resource use and prodding the Federal Reserve to continue along its path of gradual interest-rate renormalization. But slowing that pace looks less compelling in light of the new data, which suggest that financial-stability risks should be pushed further down the Fed’s worry list. After all, households that are saving twice as much as previously suspected should be expected to be more resilient when confronted with rising interest rates.
Such resilience will be tested over the longer run, though, owing to the fiscal and external imbalances, which were unaffected by the data revision. Part of the analytical attractiveness of the national income accounts is that they add up. If a country saves more but investment remains unchanged, then it borrows less from (or lends more to) the rest of the world. Its net export position and current-account balance improves. But that did not happen in this case. The large increase in saving was offset by smaller increases in investment, inventory accumulation and the statistical discrepancy.
Nothing changes the grim reality that America’s current-account deficit is headed to more than 3 percent of nominal GDP, implying increased reliance on foreign investors. The U.S. is manufacturing the dollars that foreigners crave, but that is it for now.
Moreover, there was no wand that the BEA magicians could wave to alter the dominant feature of the economic landscape: Spending by the federal government outstrips its revenues by a wide margin before and after the data revision. The budget deficit will surpass $1 trillion this year and, with growth already above its potential rate and unemployment well-below its natural rate, the cyclical argument for such stimulus is weak. The concomitant accumulation of debt will weigh on future economic activity and exacerbate financial vulnerabilities.
But not now. We have learned that the economy is expanding slightly faster and households were more thrifty than previously thought. Count this as another case of history reading better than it was lived.
Carmen M. Reinhart is professor of the international financial system at Harvard University’s Kennedy School of Government. Vincent Reinhart is chief economist and investment strategist at BNY Mellon Asset Management North America. THE DAILY STAR publishes this commentary in collaboration with Project Syndicate © (www.project-syndicate.org).
A version of this article appeared in the print edition of The Daily Star on August 09, 2018, on page 7.
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