Economy of New York City feet (37.2 million m) that same year, is the largest central business district in the world. New York City is distinctive for its high concentrations of advanced service sector firms in the law, accountancy, banking and management consultancy fields. It is the top global center for the advertising industry, which is metonymously called "Madison Avenue". Silicon Alley, metonymous for New York's broad-spectrum high technology sphere, continues to expand. Finance, high technology, real estate, insurance, and health care all form the basis of New York's economy. The city is also the nation's most important center for mass media, journalism, and publishing.
Concentration of media ownership in Turkey joint stock company which was founded by the state of Turkey. Its shares are owned by the Undersecretariat of Treasury. The issue of concentration of media ownership is regulated in Turkey both by sector-specific regulations and by competition law. The international standards the Turkish system should refer to in the field of media pluralism and diversity, are those developed by the Council of Europe, which defines pluralism and diversity in terms of structural (ownership) diversity in the media market and in terms of pluralism of ideas and cultural diversity. Media concentration is regulated under Law No. 6112 on Establishment of