Sounds like it: Yes, Virginia, it's a bubble.
Jane, (as I commented on her blog,) I wouldn't be gloating quite so soon about having "told us so."
Your earlier posts -- you are a renter I gather? -- glide blissfully over one aspect of ownership which any renter outside of the NYC fantasy land would understand: a renter can be forced to move when the owner decides to move back-in, sells to the grand kids or simply sells to take their profit...or simply raises the rent.
What people buy with housing -- and it astonishes me that so many people in the "housing bubble" debate think that a house can or should be analyzed as a "buy versus rent" economic proposition -- is security of tenure. (At least to the degree allowed by Kelo etc etc.) Renters have little security and would be foolish, for example, to make those home improvements etc etc which even if "frivolous" make life more fun. Like planting some rose bushes, much less a new deck or spa and put the idea of an extra room totally out of your mind unless you have a thirty year lease. Buying provides security and allows people to modify their home to their own taste. Buying is extremely rational. Obviously, by economic definition, these "benefits of ownership" are worth a great deal - the marginal cost between rent and buying! Duh! Only a person who deep-down leans to an elitist, socialist mentality would say that all those home-buyers out there are wrong --- "...you shouldn't really be willing to pay more for a house than the present value of the cash flow it would take you to rent the same house." -- and some pointy-headed economists are correct about that marginal cost/benefit equation.
Does that mean that too-easy money is unwise public policy in that it entices people who may not be able to afford the higher mortgage obligation into over-borrowing? No that is an issue and a real one. But let's not be so glib about this bubble business. The higher marginal cost has real marginal benefits.
"It's the security, stupid!" And most people know it. That's why they try to become buyers.
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Btw, Just for the record, I will say it yet again. I am not saying that there is no bubble. It's merely that most of the analysis seems a bit thin. There may indeed be in various local markets an excess of enthusiasm i.e. a bubble. When I look around at Seattle, I am astonished at the prices. Shocked, in fact. But then when I consider the vacant/developable property for sale, I see very very little. Moreover, traffic congestion seems to get worse by the month and we are doing nothing about that problem. So even in Seattle I just don't know. But I tend to doubt that we will have any sort of huge downward adjustment because of the very limited supply. Of course I am a homeowner.