Stuck in a rut: If new ideas spread so easily, why is productivity growth slowing? (Photo: Wikimedia Commons)
Season 7, Episode 21
Economists have a hard time explaining why productivity growth has been shrinking. This week on Freakonomics Radio, Stephen J. Dubner examines one theory: that true innovation has gotten much harder – and much more expensive. So what should we do next?
Also, Freakonomics co-author Steve Levitt answers your questions about highway-merging, crime, real-estate agents, and being too smart for your own good.
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