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Sunday, March 05, 2006

Home Economics: A Profile of Edward L. Glaeser

by Calculated Risk on 3/05/2006 02:05:00 PM

The NY Times Magazine has an excellent article on economist Dr. Edward L. Glaeser: Home Economics. (hat tip to Dr. Thoma).

On the impact of the durability of housing:

... when cities grow, they expand significantly in population, but housing prices tend to rise slowly; even as Las Vegas grew by leaps and bounds in the 1990's, for instance, the average home there cost well under $200,000. When cities decline, however, the trends get flipped around. Population diminishes slowly, but housing prices tend to drop markedly.

Glaeser and Gyourko determined that the durable nature of housing itself explains this phenomenon. People can flee, but houses can take a century or more to finally fall to pieces. "These places still exist," Glaeser says of Detroit and St. Louis, "because the housing is permanent. And if you want to understand why they're poor, it's actually also in part because the housing is permanent." For Glaeser, this is the story not only of these two places but also of Buffalo, Baltimore, Cleveland, Philadelphia and Pittsburgh — the powerhouse cities of America in 1950 that consistently and inexorably lost population over the next 50 years. It is not just that there were poor people and the jobs left and the poor people were stuck there. "Thousands of poor come to Detroit each year and live in places that are cheaper than any other place to live in part because they've got durable housing still around," Glaeser says. The net population of Detroit usually decreases each year, in other words, but the city still attracts plenty of people drawn by its extreme affordability. As Gyourko points out, in the year 2000 the median house price in Philadelphia was $59,700; in Detroit, it was $63,600. Those prices are well below the actual construction costs of the homes. "To build them new, it would cost at least $80,000," Gyourko says, "so there's no builder who would build those today. And as long as those houses remain, the people remain."
Although Dr. Glaeser believes restrictive regulations have played an important role in surging house prices, he also thinks there has been a psychological component:
Glaeser ... says, "I'm comfortable with the notion that we're going to have a substantial correction over the next five years."