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 concentration. Both the Council of Europe (CoE) and the European Union (EU) have tried to formulate a distinctive and comprehensive media policy, including on the issue of concentration. However, the emphasis of both the organisations was more on strengthening media diversity and pluralism than on limiting concentration, even though they have often expressed the need for common European media concentration regulations. However, the European Union enforces a common regulation for environmental protection, consumer protection and human rights, but it has none for media pluralism. Although there is no specific media concentration legislation at the European level, a number of existing