Dr. Mike Walden, North Carolina Cooperative Extension economist in the College of Agriculture and Life Sciences at N.C. State University, responds:

"Economists call it the emerging generational housing bubble, and what they mean is that if you look at the baby boom generation, it's 78 million strong. And that baby boom generation is quickly aging, and the concern is that as that baby boom generation ages two things are going to happen. First of all, many of those households are going to decide they want to sell their bigger homes and move to smaller homes or maybe even condos or apartments. And then when some of those folks do begin to die off, their homes will come up for sale. So what some economists who are looking ahead over the next 10, 15 or 20 years see is a very long buyers' market in housing and either stable or perhaps even falling housing prices. Now, there are going to be some geographical differences. The faster growing states in the south and the west will see this generational housing bubble come much later and be much more muted. But what we may end up seeing down the road is some communities actually advertising for people to come and buy their homes."