What Happens When the Richest U.S. Cities Turn to the World?

As the economy has changed, so have the relationships between places, to the disadvantage of smaller cities and rural areas.

By Emily Badger @ NYTimes.com, Dec. 22

[....] The answers have social and political implications at a time when broad swaths of the country feel alienated from and resentful of “elite” cities that appear from a distance to have gone unscathed by the forces hollowing out smaller communities. To the extent that many Americans believe they’re disconnected from the prosperity in these major metros — even as they use the apps and services created there — perhaps they’re right.

“These types of urban economies need other major urban economies more than they need the standardized production economies of other cities in their country,” said Saskia Sassen, a sociologist at Columbia who has long studied the global cities that occupy interdependent nodes in the world economy. New York, in other words, needs London. But what about Bethlehem, Pa.? [....]