Yes -- particularly with respect to skilled labor.

And that's largely a good thing for the working class. The alternative is local monopolies on the labor market. Highly skilled workers flock to areas where employers must compete with one another for a very good reason...

> Increasingly so, in fact, as the economy has become dominated by monopolies and oligopolies...

The urban population in the United States sky-rocketed over exactly the same period of time that Lynn and Longman romanticize.

Although I agree with a lot of their concrete policy proposals, I don't think that those policies would do anything to geographically decentralize economic activity.

There's a difference between urban and megalopolis urban. Lots of jobs used to be in smaller, regional cities that had several employers available.