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Brace yourself: Interest rates likely to climb higher

Higher US rates signal an economy on the mend, but they could also extend the housing slump and add to the federal debt.

By Staff writer / June 2, 2009

A sign indicating a pending sale is displayed in front of a home in Little Rock, Ark., Tuesday. Home sales jumped in April, but rising interest rates could dampen the trend.

Danny Johnston/AP

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Surging interest rates are making it harder for Americans to get mortgage deals, and set the stage for taxpayers to pay higher fees on a soaring federal debt.

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What's happening is a full-fledged bear market in Treasury bonds, as investors become more optimistic about the economy. They're buying more stocks and less government debt, a trend that pushes up government borrowing rates.

The interest rate on a 10-year Treasury note has gone from 2.93 percent in April to 3.68 percent Monday. That's an extraordinary surge in just a few weeks.

Mortgage rates, which are often tied directly to the direction of US Treasury bonds, are also heading upward, at a time when many households would like to refinance their loans to save money.

"I would suspect that the move up in bond yields will continue into next year," says Michael Cosgrove, a Dallas economist who publishes the EconoClast, a market newsletter. "In particular, the home mortgage market is the one that will be impacted."

New mortgages and refinancing activity won't dry up, but they would be constrained by the rising costs. This could be a challenge for a housing market that's trying to find its feet.

The government, meanwhile, will still borrow a lot but faces a rising tab. Mr. Cosgrove forecasts that the Treasury's borrowing cost on 10-year notes will rise over the next 12 months to 4.5 percent.

At a time when the government is running record budget deficits – borrowing perhaps $2 trillion in each of the next two years – that would add big extra costs on taxpayers.

As a rough guide to the impact, consider this: If the current $7 trillion in federal debt held by the public were refinanced by issuing new 10-year notes, the jump in interest rates that has occurred since April would add about $50 billion in annual costs to taxpayers.

Of course, not all the government debt needs to be refinanced at a single time, and forecasters have differing views on how high interest rates will go. But few see rates staying at the historic lows they reached in recent months.

Increased optimism a factor

Cosgrove points to two main reasons for the recent jump in interest rates.

"One is that the fear factor is starting to fade from the global economy," he says. The other "is simply the huge supply of Treasury debt coming on the market."

The first factor is good news. As fears of a financial-industry meltdown have receded, investors have become more willing to hold risky assets. They are pulling money out of safe Treasury bonds and putting them back into stocks. US stock prices are up more than 30 percent, on average, in the past three months.

According to data tracked by the Federal Reserve Bank of St. Louis, Treasury interest rates are back up where they were a year ago, though still well below 2007 levels. (Interest rates on bonds move in the opposite direction to bond prices.)