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New York - The sharp bond market sell-off is starting to pinch American consumers and companies, causing a mild economic tightening that, if sustained, could raise alarms at the Federal Reserve and even delay a plan to hike interest rates in coming months.
US mortgage rates have reached their highest level in a year-and-a-half, auto loans are getting a bit more expensive and corporations across the board have seen their borrowing costs jump as US and European debt retrenched in recent weeks.
With benchmark US government debt having jumped from 2.13% to as high as 2.49% so far this month, Fed officials headed into a policy meeting next week will be asking how long the sell-off could last - and how much it could slow the economic rebound from a winter slump.
Financial conditions
"It's got to be part of their calculus. And I do think that they will try to micro-manage the market," said Craig Dismuke, chief economic strategist at Memphis-based broker dealer Vining Sparks.
After 6.5 years of ultra easy monetary policy, Fed officials would welcome at least some evidence of tightening financial conditions as they increasingly telegraph a rate hike.
The concern is a repetition of 2013, when then-Fed chairperson Ben Bernanke set off a market rout that threatened the recovery when he suggested a stimulative bond-buying programme could soon be curbed.
Investors and economists said that while the recent market move is on the Fed's radar, given its volatility, alarm would grow if the 10-year US Treasury yield were to soon rise above 2.75%.
Warning signs
Such a tightening could imperil the all-important housing market, as it did during the so-called "taper tantrum" two years ago, which prompted a flurry of dovish speeches by Fed officials attempting to control the damage.
At the time, stock markets plunged and mortgage rates shot up to 4.8%, spooking home buyers. While today's economy does not face that sort of trouble, there are warning signs.
A 30-year fixed mortgage averaged 4.17% last week, its highest level since November 2014, prompting a rush of applicants to lock in the rate before costs rise any more. The cost of new car loans is also edging higher, though from a record low in the fourth quarter of 2014.
Fed officials regularly highlight housing and autos as drivers of what is expected to be stronger consumer confidence and broader GDP growth in the second half of the year.
Robust job gains suggests the rebound is underway, with Fed chair Janet Yellen eyeing an initial rate hike this year and economists predicting it will come in September.
Yet US productivity has mysteriously sagged and wages have not climbed as expected, leaving the economy fragile. Meanwhile, Fed Governor Daniel Tarullo has emphasised the central bank's long-simmering concern that markets may not be liquid enough to withstand a volatile sell-off.
Policy response
The sharp US bond sell-off is a response to sturdy US economic data, as well as easing concerns over deflation across Europe, which has sent German benchmark Bunds tumbling too.
As Treasuries plunged last week, Tarullo was one of three influential Fed officials who sounded surprisingly cautious tones over raising rates.
"We do experience cross currents from abroad and they do affect our recovery and they affect the policy response," said Fed Governor Lael Brainard, who rarely discusses policy publicly.
