Via Calculated Risk, Tom Lawler on the housing stock
Total housing production in 2011 should fall south of 600,000 units, compared to the 2.092 million housing units that came on line in 2006.
Sadly, there are no good, timely data on the likely number of housing units that will be lost to various factors (demolition, conversions, disaster, etc.). The Census 2010 data suggested that the annual “scrappage” rate was substantially lower than other Census data had suggested last decade, though that could well have been related to the housing boom years, with higher conversions or units added from non-residential use than various surveys (based on relatively small samples) suggested. Anecdotal evidence suggests that scrappage rates of late would not be that low, and a conservative estimate for 2011 would be in the 250,000 range – implying growth in the housing stock for the calendar year of under 350,000 units.
Note that up until recently – note completely sure on his current stance – Lawler has been more pessimistic about housing than I have been. He leans heavily on vacancy rates, while I’ve tended to look more a demographics.
Yet, now all the stats are beginning to align. In a way this is like 2005 all over again. In late 2004 there were a number of people from the outside who started to grumble about the unsustainability of housing prices. There also were those who told stories about how this time was different.
And, let me be honest. Many of those stories were compelling. I continued maintained that the price bubble would eventually pop but I count that as more an act of luck than insight. I don’t want to relitigate that battle but I will say the soft landing people did not have a ridiculous case.
Now the same thing is happening in housing supply. There were those of us last year looking around and saying – this is just not sustainable. Yet, people told stories about vacancy rates and getting the rot out that were compelling. Lots of people said we are not going to see booming construction for a long time and seemed to feel the fundamentals backed that up.
Yet, over the beginning of 2011 lots of data series have started to turn in the same direction. We are seeing growing consensus that this is simply not sustainable and something is going to have to give.
Moreover, just like a price bubble, this housing shortage is a growing phenomenon. The longer it goes unaddressed the bigger the correct will be. And, quite frankly there is no reason to think actual housing supply will begin to tick up in the next 12 months. The lead time on home building is just too long.
So we are probably looking at 2 years minimum before we get a significant reduction in pressure. All the while shadow households are still forming. Couples are still getting married or waiting to get married. Babies are still being born, etc.
When housing corrects, I have to guess that it will correct hard.

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Wednesday ~ July 20th, 2011 at 3:13 am
FT Alphaville » Further reading
[...] US housing: ‘In a way this is like 2005 all over [...]
Wednesday ~ July 20th, 2011 at 6:53 am
Wednesday 7atSeven: quest for cash | Abnormal Returns
[...] Pressures are building in the housing market. (Modeled Behavior) [...]
Wednesday ~ July 20th, 2011 at 8:39 am
Foobar
did you write this half asleep? Proof it, dude…
Wednesday ~ July 20th, 2011 at 10:17 am
Craig
Oh, for two more years of a bear market…enough time to close on our new house, rent out the old one, and maybe even save enough pennies for a second rental unit…
In retrospect, the bears never last long enough, do they?
Wednesday ~ July 20th, 2011 at 2:43 pm
Checking in on the coming boom - Economics -
[...] SMITH continues to argue that a housing boom lurks around the corner:Lots of people said we are not going to see booming [...]
Wednesday ~ July 20th, 2011 at 2:58 pm
Checking in on the coming boom [The Economist] | DreamInn
[...] SMITH continues to argue that a housing boom lurks around the corner: Lots of people said we are not going to see booming [...]
Wednesday ~ July 20th, 2011 at 8:28 pm
Becky Hargrove
There may well be a boom city or two in the making, but methinks they may involve the creation of tiny houses and allowing mini-businesses (for individuals) to operate with an extremely low amount of regulation or building requirements.
Thursday ~ July 21st, 2011 at 11:10 am
Jump Start Possibilities - NYTimes.com
[...] Start Possibilities Brad DeLong and Karl Smith have been arguing that America, after 5 years of housing bust, now has a housing [...]
Thursday ~ July 21st, 2011 at 11:54 pm
In the Belly of the Beast: 7/20/11: HuffPost Hill: “Obama isn’t weak, he’s just bad” | A New Worlds in Birth
[...] DeLong and Karl Smith have been arguing that America, after 5 years of housing bust, now has a housing [...]
Tuesday ~ July 26th, 2011 at 5:08 pm
FT Alphaville » Demographics and destiny, US housing edition
[...] and articulate blogger making the case that a housing shortage exists, is sanguine (see also here): The census bureau tracks that number. However, its month-by-month estimate was well out of whack [...]
Friday ~ July 29th, 2011 at 1:22 pm
La depresión, cada vez más profunda - Mises Daily en español
[...] un tiempo antes de que también estalle. (Perversamente, en un post apoyado por Krugman, Karl Smith espera que sea otro auge [...]
Monday ~ August 1st, 2011 at 6:01 pm
Krugman and Austrians: the Depression Will Get Worse | Daily News
[...] it, too, collapses. (Perversely, in a post endorsed by Krugman, Karl Smith hopes that it will be another housing [...]
Tuesday ~ August 2nd, 2011 at 8:07 am
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[...] at least for a while before it, too, collapses. (Perversely, in a post endorsed by Krugman, Karl Smith hopes that it will be another housing [...]
Wednesday ~ September 21st, 2011 at 8:13 am
A Topological Mapping of Explanations and Policy Solutions to our Weak Economy. | Rortybomb
[...] What the U.S. Can Learn from Japan’s Experience in 1990–2005, Richard Koo. Housing Backlog: There is a Boom Out There Somewhere, Karl Smith. Yes, Virginia, Our Housing Stock Is Now Way, Way Below Trend, Brad Delong. [...]
Wednesday ~ September 21st, 2011 at 2:45 pm
A topological mapping of explanations and policy solutions to our weak economy | Felix Salmon
[...] Backlog: There is a Boom Out There Somewhere, Karl Smith. Yes, Virginia, Our Housing Stock Is Now Way, Way Below Trend, Brad [...]
Sunday ~ February 26th, 2012 at 6:19 pm
FT Alphaville » When household formation growth returns
[...] Anyways, what we’re trying to communicate here, again, is the possibility that because the weakness in construction during the downturn overshot the boom that preceded it — if we built too much then, we’re underbuilt now — the correction in the housing market will be extremely sharp when it does happen. This is what we brought up in our post last July, but we seem to be getting a lot closer to its happening now that the labour market is recovering. (Also, we’d be remiss not to mention that the first commentator to outline how this might play out, way before anybody else, was Karl Smith — see here and here.) [...]