New York City in the world at 103, including former Mayor Michael Bloomberg. New York also had the highest density of millionaires per capita among major U.S. cities in 2014, at 4.6% of residents. New York City is one of the relatively few American cities levying an income tax (currently about 3%) on its residents. New York is a global hub of business and commerce. The city is a major center for banking and finance, retailing, world trade, transportation, tourism, real estate, new media, traditional media, advertising, legal services, accountancy, insurance, theater, fashion, and the arts in the United States; while Silicon Alley,
The Concentration City The Concentration City "The Concentration City" is a dystopian short story by British author J. G. Ballard, first published, under the title "Build-Up", in "New Worlds" volume 19 number 55 in January 1957. It was reprinted in the collections "Billennium" and "Chronopolis" and later, under its revised title, in "The Disaster Area" and "". "The Concentration City" is set in a "city" encompassing everything in known existence to its inhabitants. The districts comprise endless streets and buildings and seemingly infinitely high and low levels, or floors, with few trees and little wildlife. Cubic space is in shortage and expensive. High