The Determinants of Industrial Research and Development: A Study of the Chemical, Drug, and Petroleum Industries
Abstract
Economists have recently grown interested in doing research on research or R & D, as it is called in industrial circles. Several studies have tested Schumpeter's hoary hypothesis that large firms are responsible for most industrial inventive activity.1 Few of these studies, however, suggest why this hypothesis is apparently valid for some industries and not for others. And statistical studies going beyond this question, to try to relate R & D expenditures to firm profit expectations and the availability of funds as in other investment decisions, are rare (Mansfield, 1964; Mueller, 1967).
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