Prices out of Park Slope: America needs more filtering and less gentrification.

it’s still possible to step back from the distributive conflict, and say that as long as we’re parceling out a fixed supply of Park Slope someone is going to get stuck with that longer subway ride. But if you can actually make more Park Slope—either by building more houses there or improving the quality of subway access to other parts of Brooklyn—then you’re making progress on a more fundamental level.