by Michael Lewyn

Some prosperous American cities have a housing supply problem: they have made zoning more and more restrictive over time, thus causing limited housing supply, thus causing escalating housing prices. And because some people fleeing high housing prices move to automobile-dependent suburbs or smaller cities, restrictive urban zoning means more suburbanites with more cars, creating more pollution everywhere.

So one might think that the logical solution is to build more housing in urban areas, especially in the costliest markets. Yet in a recent article, the Philadelphia Inquirer‘s Inga Saffron wrote: “Density has to be relative to what already exists … so neighborhoods can step up density gradually.” In other words, don’t build too much stuff because…why? Most of her article seems devoted to the evils of tall buildings.

As far as I can tell, there are three myths underlying Saffron’s article.

Myth 1: “Beware! The high-rises are coming!” Saffron writes that some unnamed “hard-line” density proponents “assume there is only one way to achieve real density. They use density as a rallying cry to justify the construction of more and bigger high-rises, in both America’s thriving cities and its hollowed-out ones.” Continue reading →