A new study by the Economist Intelligence Unit ranks New York as the most competitive global city, finishing ahead of London, Singapore, Hong Kong, Tokyo, and other American cities, including Chicago (ranked 9th in the world) and Los Angeles (17th). All three American cities have actually moved higher on the list from previous years, meaning they've become more competitive. The study appears during a New York mayoral race in which the candidates and the business community are debating the city's future. While the outgoing Bloomberg administration argues that Gotham is in fine shape, having rebounded from the financial crash of...