Economy of New York City supported by its entrepreneurship ecosystem and venture capital investments. In the first half of 2014, Silicon Alley generated over US$2.1 billion in venture capital investment across a broad spectrum of high technology industries, most based in Manhattan, or alternatively, Brooklyn. High technology startup companies and employment are growing in New York City and the region, bolstered by the city's position in North America as the leading Internet hub and telecommunications center, including its vicinity to several transatlantic fiber optic trunk lines, New York's intellectual capital, and its extensive outdoor wireless connectivity. According to New York’s Economic Development Corporation, telecom carriers,
Silicon Valley supports innovation and entrepreneurship. Attempts to create "Silicon Valleys" in environments where disruptive innovation does not go over well have a poor track record. The San Francisco Bay Area has the largest concentration of high-tech companies in the United States, at 387,000 high-tech jobs, of which Silicon Valley accounts for 225,300 high-tech jobs. Silicon Valley has the highest concentration of high-tech workers of any metropolitan area, with 285.9 out of every 1,000 private-sector workers. Silicon Valley has the highest average high-tech salary in the United States at $144,800. Largely a result of the high technology sector, the San Jose-Sunnyvale-Santa Clara,