Economists used to think in terms of a linear model of innovation, which emphasized the drivers of “technology push”, from investment in research and development (R&D), and “market pull”, as firms respond to unmet consumer demand.
Page 2 Foxon, Kohler and Neuhoof (2008) in Foxon, T, Kohler, J. and Oughton, C. (2008) Innovation For A Low Carbon Economy Economic, Institutional and Management Approaches Cheltenham: Edward Elgar.
see also demand pull, Technology-push
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