In Kiplinger's latest search for top cities, we focused on places that specialize in out-of-the-box thinking. SEE ALSO:10 Best Value Cities for 2011 "New ideas generate new businesses," says Kevin Stolarick, our numbers guru, who this year evaluated U.S. cities for growth and growth potential. Stolarick is research director at the Martin Prosperity Institute, a think tank that studies economic prosperity. "In the places where innovation works, it really works," he says. Advertisement - Article continues below After researching and visiting our 2010 Best Cities, it became clear that the innovation factor has three elements. Mark Emmert, president of the University of Washington in Seattle, put his finger on two of them: smart people and great ideas. But we'd argue that it's the third element -- collaboration -- that really supercharges a city's economic engine. When governments, universities and business communities work together, the economic vitality is impressive. And it's no coincidence that economic vitality and livability go hand in hand. Creativity in music, arts and culture, plus neighborhoods and recreational facilities that rank high for "coolness," attract like-minded professionals who go on to cultivate a region's business scene. All of which make our 2010 Best Cities not just great places to live but also great places to start a business or find a job.


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