https://www.nytimes.com/2019/07/16/b...nvergence.html
Why Midsize Cities Struggle to Catch Up to Superstar Cities
For decades, smaller metropolitan areas closed the income gap with bigger, richer ones, but no longer. So places like Winston-Salem, N.C., are trying to lay a new foundation for prosperity. Officials in Winston-Salem, N.C., are trying to transform the local economy, which was once dominated by the tobacco industry, into a biotech center.