Pent-Up Demand Is Boosting Home Sales, But Can It Last?

Some economists say that after years of slow sales, the housing sector is about to see a sustained surge because of pent-up demand.

If true, housing could serve as a kind of a big water tower — full of potential economic energy, ready to come rushing down to help re-float the economy.

But other experts say the water will only trickle out of that tower.