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,
Concentration of media ownership in Turkey Radio and Television Enterprises and their Media Services (2011), for audio-visual media. The Turkish Competition Authority ("") is entitled to take action against distortion of competition according to another law, i.e. the Law on the Protection of Competition. Therefore, as for the broadcasting sector there are sector-specific regulatory safeguards against a high horizontal concentration. For instance, the Law requires companies that are about to take over or merge with others to seek permission from the Radio and Television Supreme Council (Radyo ve Televizyon Üst Kurulu- RTÜK) and to inform it about transactions not later than 30 days after their completion.