Jobs, Money, and Geometry
Most of us agree that development that provides employment and tax revenue is good for cities. Some even argue that the need for jobs outweighs aesthetic, lifestyle, or climate concerns-in fact, this argument comes up any time Walmart proposes a new megastore near a small town. But a clear-eyed look at the spatial economics of land, jobs, and tax regimes should cause anyone to reject the anything-and-anywhere-goes development model. To explain, let me offer the story of an obsessive number cruncher who found his own urban laboratory quite by chance.

Joseph Minicozzi, a young architect raised in upstate New York, was on a cross-country motorcycle ride in 2001 when he got sidetracked in the Appalachian Mountains. He met a beautiful woman in a North Carolina roadside bar and was smitten by both that woman and the languid beauty of the Blue Ridge region. Now they share a bungalow with two dogs in the mountain town of Asheville.

Asheville is, in many ways, a typical midsize American city, which is to say that its downtown was virtually abandoned in the second half of the twentieth century. Dozens of elegant old structures were boarded up or encased in aluminum siding […]