Urban areas in the Northeast and Middle West marked by the concentration of old, declining industries, such as steel and textiles.
The next three leading beneficiaries are all rustbelt states: Indiana, Ohio, and Wisconsin.
This could create tremendous opportunity for a broad swath of the rustbelt population.
For much of the past half century, the rustbelt states suffered high levels of unemployment.
In this rustbelt of dying shipyards, joblessness runs as high as 50 percent.