Sustained Growth in U.S. Productivity

December 21, 2024

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As federal policymakers come together for their final meeting of the year, the focus is on the anticipated move to cut interest rates by 25 basis points and the insights they’ll share regarding the current economic landscape and future rate cutsThese discussions will occur in the context of an evolving debate concerning the trajectory of productivity in the U.Seconomy and how improvements in output growth could align with or exceed the economy’s capacity without triggering inflation above the Federal Reserve's 2% target.

Historically, the annual growth rate of American workers' hourly productivity has shown significant fluctuations in the short run, yet long-term trends appear to be stabilizingSince 2019, this growth rate has risen from approximately 1.5% in the previous decade to around 1.8%, with indications that it has recently climbed even higher.

Such small improvements over time may yield significant impacts, especially with the early stages of artificial intelligence (AI) tools becoming more prevalent, which could further enhance these gains.

The far-reaching consequences of this trend encompass various domains, including the trajectory of federal debt and the impending implications of governmental policies

For instance, in a scenario where productivity continues to rise, the challenges associated with labor shortages due to immigration could be modelled and managed more effectivelyLast summer, JD Vance highlighted a similar transition in an interview with The New York Times, discussing how McDonald's workers displaced by kiosks began pursuing higher-paying job opportunities.

The sustained growth in U.Sproductivity is so robust that confidence in a model suggesting that the American economy is mired in a low-growth state has shifted dramatically—from almost a certainty of 100% to less than 60%.

“It’s too early to say definitively whether there’s been a real shift, but it certainly seems more likely now,” commented James Kahn, an economics professor at Yeshiva University and former research vice president at the New York Federal Reserve.

“There are reasons to be cautiously optimistic,” wrote John Fernald, an economics professor at the European Institute of Business Administration, in a recent report for the San Francisco Fed

He is among the notable voices within the Federal Reserve acknowledging the productivity issues, although he remains skeptical about the potential for American productivity growth to exceed long-term trends.

Federal Reserve officials are increasingly attuned to the implications of these productivity advancements, which may reshape how they perceive the economy's potentialIn the years leading up to the 2019 pandemic, the Fed consistently lowered its estimates for the United States’ sustainable long-term growth rate; that downgrade was, in part, due to stagnant productivity.

However, economic growth frequently surpasses the Fed’s own projections of potential growthOver the past two years, despite some easing of inflation, this trend has persisted

The contribution of productivity growth has played a role in this regard, and if these developments maintain their course, the Fed might need to reassess the economic outlook and potential inflation tied to any growth rate, possibly resulting in higher estimates for a “neutral” long-term interest rate for the U.Smarket.

Furthermore, the actual growth of U.SGDP has notably outpaced potential growth, highlighting the importance of this productivity dialogue to the Fed.

According to the minutes from the Fed’s meeting on November 6-7, an ongoing reassessment is underway, during which staff have upgraded their internal estimates of the economy’s potential, with policymakers actively debating whether recent trends are sustainable.

“I can’t tell you how difficult it is to have productivity exceed its long-term trend,” said Fed Board member Lisa Cook last month, showing a nuanced understanding of the complexities involved.

Focusing on innovation within her economic research, Cook emphasized that the recent shifts in productivity growth bear significant statistical and economic implications.

Like other Fed officials, Cook enumerated several potential catalysts for this change, including improved job matching efficiency, the persistence of elevated business modalities during the pandemic, and ongoing investments in AI that could sustain this momentum.

Chicago Fed President Austan Goolsbee remarked earlier this month that “we need to start taking seriously the notion that this may be continuing” while clarifying the policy implications.

“Some business leaders have said that they’re finding it hard to hire, hence they’ve invested in machinery

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The reason they’re leveraging labor-saving technology is precisely that they can’t find employees,” Goolsbee noted“I really believe there’s some on-the-ground evidence for this.”

In economic terms, productivity serves as a crucial element, noting that while it calls for increased investment and innovation—an effort that is not entirely a free lunch—it allows workers to produce more in less time or with fewer resourcesThis dynamic enables wage increases and profits without stoking inflationary pressures.

A surge in productivity has consistently been one of the methods to control unit labor costs while aligning with the Fed's inflation targets—even as wage growth has reliably exceeded the levels policymakers refer to as non-inflationary.

The offset between productivity growth and wage increases is precisely why the Fed remains willing to continue cutting rates under conditions where economic growth persists above trend levels while the unemployment rate remains within manageable bounds.

Now the paramount question is whether this trend can endure and, if so, for how long.

Earlier this month, Fed Governor Philip Jefferson stated that the recent robust productivity carries “great significance" for the economy and the central bank

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