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Usher and Schumpeter on Invention, Innovation, and Technological Change

Vernon W. Ruttan

Purdue University West Lafayette

Quarterly Journal of Economics 1959

Introduction, 596. — Innovation and technological change, 597. — Invention and innovation, 599. — Summary and conclusions, 605.

DOI
10.2307/1884305
Volume
73 (4)
Pages
596
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