I write an appreciation of Alan Greenspan in my BW Online column this week. The piece starts off:

I'm sorry to see Alan Greenspan go this week. Despite his age (almost 80), he was and still is one of the few economists who truly "gets" technology. The economics profession, by and large, thinks of technological change in simplistic terms, as a new machine tool or a faster computer. But Greenspan understands that technology is a dynamic, unpredictable, and transformative force that requires a different way of looking at the world.

The column continues here.

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