* There is continual interaction between companies and universities. The universities do not simply supply educated workers.
* There is a "risk and reward culture" that encourages innovation.
* Informal benchmarking occurs continuously as people intermingle.
* Mentoring is widespread and effective.
As well as bringing people together physically, as in industry "clusters", Mr Brown says the virtual world of the internet is vital to fostering knowledge and innovation, because it honours multiple forms of intelligence.
Rather than being restricted to text, for example, the worldwide web can provide interactive multimedia to effectively engage auditory and kinaesthetic learners.
"It is a straightforward proposition," he says. "In a time when both the rate of change and the growth of knowledge keep accelerating the more people you have who can learn more in a shorter time, the more competitive you will be."
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