Productivity growth is slowing, just as it was when Burns headed the central bank, not accelerating as it did under Greenspan’s watch. Business output per hour excluding agriculture has risen at a 1.4 percent average annual rate since the recession ended in June 2009 as hiring has picked up while economic growth has lagged behind.
That result is in line with the 1.5 percent rate from 1973 to 1977 and less half of the 3 percent pace from 1996 to 2000, Labor Department data show. The post World War II average is 2.3 percent.
To understand why this is important, look at what happened to the U.S. in each of those periods.
In the late 1990s, increased worker efficiency allowed Greenspan to countenance a fall in the unemployment rate to a 30-year low of 3.8 percent in April 2000 as companies could pay employees more without having to raise prices. In the 1970s, a sudden downshift in productivity growth caught Burns by surprise and led to a rise in consumer prices of more than 10 percent after oil costs surged.
“There is a risk,” said former Fed Vice Chairman Alan Blinder, who served under Greenspan and co-wrote a book with Yellen about “the fabulous decade” of the 1990s. “You do have the possibility of replaying in the same direction what happened after 1973.”
That doesn’t mean the U.S. is about to experience a sustained rise in inflation, he added. “We’re a long way from seeing that.”
What it does mean is that Yellen and her Federal Open Market Committee colleagues must be a “little more cautious” about keeping short-term interest rates near zero in their pursuit of lower joblessness, said Blinder, who is now a professor of economics at Princeton University in New Jersey.
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Last month’s drop in the unemployment rate to an almost six-year low of 6.1 percent highlights the dilemma facing the Fed, said Stephen Stanley, chief economist at Pierpoint Securities LLC in Stamford, Connecticut. Joblessness is falling faster than the central bank expected while gross domestic product is expanding more slowly than its projections. Behind the discrepancy: slower productivity growth, according to Stanley. He now sees the Fed starting to raise interest rates in June 2015, instead of waiting until September of next year.
Inflation already is showing signs of accelerating. The personal-consumption-expenditures price index, the Fed’s favorite measure, rose 1.8 percent in May from a year earlier, compared with 1.6 percent in April and 1.1 percent in March, according to the Labor Department.
Chipotle Mexican Grill Inc. (CMG) is among companies boosting prices. “We really haven’t had any resistance” from customers, Steve Ells, co-chief executive officer of the Denver-based burrito chain, told Bloomberg Television’s “Surveillance” on June 27. The increase of as much as 6 percent will partly offset higher costs for ingredients and is Chipotle’s first in three years.
“We are facing a problem of rising inflation,” said Martin Feldstein, a professor at Harvard University in Cambridge, Massachusetts, and former chairman of the White House Council of Economic Advisers. The Fed is “probably going to respond too weakly, too slowly,” he added in a June 4 interview on “Surveillance.”
Long-term interest rates are “going to go a lot higher,” with the yield on the 10-year Treasury note eventually hitting 4 percent, as price pressures intensify and the Fed lags behind in its response, according to Joe LaVorgna, chief U.S. economist at Deutsche Bank Securities Inc. in New York. The note’s yield was 2.64 percent at 2 p.m. in New York on July 3, ahead of the July 4th U.S. holiday, based on Bloomberg Bond Trader data.
The Fed’s macroeconomic computer model recognizes that unexpected changes in productivity growth can affect inflation, said Michael Feroli, a former central-bank researcher who is now chief U.S. economist for JPMorgan Chase & Co. in New York. The question is whether policy makers will factor this into their decisions on interest rates.
“You could have, at least in the short run, a little bit of a policy mistake if they overestimate productivity growth,” he said. “If they’re wrong, you’re going to see it show up in faster inflation.”
Feroli changed his forecast of Fed policy after last week’s news of a further fall in joblessness. He now expects the central bank to begin raising interest rates in the third quarter of next year, instead of the fourth.
“It’s true that the decline in unemployment is occurring alongside anemic GDP growth, but the Fed’s mandate is not to ensure strong productivity growth, it’s to get the economy back to full employment and price stability,” Feroli said in a July 3 note to clients.
Fed officials have been nudging down their estimates of how fast the economy can expand without fanning price pressures as productivity growth has ebbed. Most FOMC participants peg the economy’s cruising speed at 2.1 percent to 2.3 percent, according to their June 18 projections. While that’s down from the 2.5 percent to 2.8 percent range they saw in April 2011, it still may be too optimistic, Feroli said. He reckons the rate is 1.75 percent, with a chance it could be even lower.
What’s important in determining the inflation outlook is the long-term trend in productivity growth, Blinder said. That’s not easy to figure out as the quarterly data jump around a lot. Output per hour slumped at a 3.2 percent annual rate in the first quarter, according to a preliminary government estimate, after an increase of 2.3 percent in the final three months of 2013.
The recent slowdown also could reflect measurement errors, Blinder said. Productivity is calculated based on the gross domestic product of the economy. If it were computed using gross domestic income, growth would be faster. GDP has risen by an average annual rate of 2.1 percent since the recession ended, while income has climbed at a 2.4 percent clip, according to data from the Commerce Department.
Yellen played down the significance of the acceleration in inflation this year, telling reporters on June 18 the advance generally is consistent with the Fed’s forecasts.
“The recent evidence we have seen, abstracting from the noise, suggests that we are moving back gradually over time toward our 2 percent objective,” she said. “I see things roughly in line with where we expected inflation to be.”
Worker efficiency is especially important because of the emphasis Yellen has placed on the need for higher wages. If employees are able to produce more, companies can pay them more without needing to raise prices to keep profits up.
She told reporters she anticipates wage growth will pick up as the labor market tightens and argued this wouldn’t be inflationary as long as the increase isn’t overly rapid. Compensation recently has been growing about 2 percent a year, by Yellen’s reckoning.
Compensation increases of as much as 4 percent would be “normal” and consistent with the Fed’s 2 percent inflation goal, she said during a March 19 press conference. That, though, assumes productivity growth doesn’t slacken.
Charles Plosser, president of the Federal Reserve Bank of Philadelphia, told the Fox Business Network on June 24 that he isn’t worried about short-term inflation. He did evince some unease with Yellen’s emphasis on wage growth, telling reporters separately it’s a lagging indicator of inflation.
Yellen agreed with Plosser back in 2008 that “wages aren’t a leading indicator,” according to the transcript of the April 29-30 FOMC meeting that year.
Now though, she stresses there’s still a “significant” amount of slack in the labor market that will help hold price pressures in check even though the unemployment rate has fallen.
The risk is she might be underestimating how tight the job market is, just as she could be overestimating productivity.
If signs continue to indicate that potential GDP growth has fallen “a lot more than the FOMC has recognized” and there isn’t a large remaining margin of slack in the economy, “the Fed may face some difficult choices going forward,” Ted Wieseman, an economist at Morgan Stanley in New York, wrote in a June 27 note to clients.
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