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 between undertakings as part of European competition legislation covered also media concentration cases. The need for sector-specific regulation has been widely supported by both media scholars and the European Parliament. In the 1980s, when preparing legislation on cross-border television many experts and MEPs argued for including provisions for media concentration in the EU directive but these efforts failed. In 1992, the Commission of the European Communities published a policy document named "Pluralism and Media Concentration in the internal Market – an assessment of the need for Community action" which outlined three options on the issue of media concentration regulation at