If every other store in town is paying workers $9 an hour, one offering $8 will find it hard to hire anyone - perhaps not when unemployment is high, but certainly in normal times. Robust competition is a powerful force helping to ensure that workers are paid what they contribute to their employers' bottom lines.

President Obama has repeatedly urged Congress to let the Bush tax cuts expire for those earning more than $250,000 a year. Increasing rates on top earners is an obvious way to raise revenue from those who can afford it most.

A natural way that an economist approaches a problem is to say, here's where I think the economy is going; this is what we need to deal with the problem.

There's a joke in economics about the drunk who loses his keys in the street but only looks for them under the lightposts. When asked why, he says, 'because that's where the light is.' That's the problem with the deficit.

Recent research suggests that New Deal programs may actually have had their primary impact on the economy by influencing consumer and business expectations of future growth and inflation.

If you think about it, candidate Obama, Sen. Obama, was running on sort of long-run economic issues, like restoring prosperity to the middle class, dealing with the perennial problem of health care in the United States. He talked a lot about the budget deficit, about the need to transition to clean energy.

Making labor less expensive helps firms hire people.