“In discussing the distinction between minor inventions, whose cumulative impact is decisive in productivity growth, and major technological breakthroughs, it may be useful to draw an analogy between the history of technology and the modem theory of evolution ( … ) Some biologists distinguish between micromutations, which are small changes in an existing species and which gradually alter its features, and macromutations, which creates new species. The distinction between the two could provide a useful analogy for our purposes. I define micro inventions as the small, incremental steps that improve, adapt an extremeline existing techniques already in use, reducing costs, improving form and function, increasing durability, and reducing energy and raw material requirements. Macroinventions, on the other hand, are those inventions in which a radical new idea, without clear precedent, emerges more or less ab nihilo. In terms of sheer numbers, micro inventions are far more frequent and account for most gains in productivity. Macroinventions, however, are equally crucial in technological history.”

— Joel Mokyr

Source: The lever of riches: Technological creativity and economic progress, 1992, p. 12-13 as cited in: Pol, Eduardo, and Peter Carroll. "Innovation heterogeneity and schumpeterian growth models." (2004): 1.

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Israeli American economic historian 1946

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