The period of unprecedented expansion of immigrant-led entrepreneurship that characterized the 1980s and 1990s has come to a close. Today, the growth rate of immigrant-founded companies nationwide, at 24.3 percent, has plateaued. In the high-tech hub of Silicon Valley, the proportion of...

A 2012 ECONOMIST BOOK OF THE YEARMany of the United States' most innovative entrepreneurs have been immigrants, from Andrew Carnegie, Alexander Graham Bell, and Charles Pfizer to Sergey Brin, Vinod Khosla, and Elon Musk. Nearly half of Fortune 500 companies and one-quarter of all new small...

Computer systems firms in Silicon Valley are responding to rising costs of product development, shorter product cycles and rapid technological change by focusing and building partnerships with suppliers, both within and outside of the region. Well-known firms like Hewlett-Packard and Apple...