U.S. consumer prices rose in December, bolstering expectations that long-weak inflation is set to gain strength in the new year.
The consumer-price index, which measures changes in the prices Americans pay for everything from breakfast sausage to doctor visits, increased a seasonally adjusted 0.1% in December from the prior month, the Labor Department said Friday. That small gain matched economists' expectations.
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But prices rose 0.3% in December when excluding the often-volatile categories of food and energy, the largest increase for so-called core prices since January 2017. Economists surveyed by The Wall Street Journal had predicted core prices would rise a more modest 0.2% versus November.
"For now, this report adds more weight to the idea that the run of soft numbers from March through July was 'transitory,'" Pantheon Macroeconomics chief economist Ian Shepherdson said in a note to clients.
Overall prices climbed 2.1% in December compared with a year earlier, easing a bit from November's 2.2% annual gain. Prices excluding food and energy were up 1.8% from the end of 2016, firming slightly from the prior month's annual increase.
A 0.4% rise in shelter costs from the prior month accounted for most of December's inflation uptick. Prices also rose from the prior month for food, medical care and motor vehicles but declined for gasoline and clothing.
In a separate report Friday, the Labor Department said inflation-adjusted average weekly earnings for private-sector workers rose 0.2% in December from the prior month, as wages grew faster than prices and the average workweek was unchanged.
U.S. inflation has been largely subdued for the past half-decade, perplexing Federal Reserve officials who predicted a tightening labor market and continued economic growth would generate stronger wage and price increases. The unemployment rate in December was 4.1%, remaining at its lowest level in 17 years, according to Labor Department data.
Still, many investors and central bankers say inflation is poised to strengthen. The yield on the benchmark 10-year U.S. Treasury note closed above 2.5% earlier this week for the first time since March, and yields moved higher immediately following the release of Friday morning's reports on inflation and consumer spending.
"We continue to believe that this year's surprising softness in inflation primarily reflects transitory developments that are largely unrelated to broader economic conditions," Fed Chairwoman Janet Yellen said in mid-December. "As a result, we still expect inflation will move up and stabilize around 2% over the next couple of years."
One of those one-off factors that has been holding down annual price growth: a drop last spring in prices for cellphone plans. That effect should wash out of the 12-month change in prices later this year.
"Once spring comes around...the big declines in components like wireless telephone services prices will drop out of the annual calculation and the core inflation rate will rebound well above 2%," said Paul Ashworth, chief U.S. economist at Capital Economics, in a note to clients.
Still, some economists and Fed policy makers worry long-sluggish price growth could continue into the new year and might reflect broader problems, such as a deterioration in households' expectations for future inflation.
"I am concerned that persistent factors are holding down inflation, rather than idiosyncratic transitory ones," Federal Reserve Bank of Chicago President Charles Evans said last month after he dissented from the Fed's decision to raise short-term interest rates for a third time in 2017.
Fed officials in December penciled in three additional quarter-percentage-point increases in their benchmark federal-funds rate for 2018, and private-sector forecasters think their next rate increase will likely come in March.
The U.S. central bank also is in the midst of a leadership transition; Ms. Yellen's term ends in early February and President Donald Trump has nominated Jerome Powell, a current Fed governor, as her successor. He is awaiting Senate confirmation.
The Fed's 2% annual inflation target is based on their preferred price measure, the Commerce Department's personal-consumption expenditures price index. The PCE price index was up 1.8% in November from a year earlier, and prices excluding food and energy rose 1.5% on the year.
Write to Ben Leubsdorf at email@example.com
(END) Dow Jones Newswires
January 12, 2018 10:08 ET (15:08 GMT)