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Fred Block and Matthew Keller: Where Do Innovations Come From? Transformations in the U.S. National Innovation System, 1970-2006
In this report published by the Information Technology & Innovation Foundation, Fred Block and Matthew Keller show how the nature of the U.S. innovation system has changed dramatically over the course of the last 40 years. The authors analyze a sample of innovations recognized by R&D Magazine as being among the top 100 innovations of the year over the last four decades.